[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"log-post-using-an-auv-asv-borne-magnetometer":3,"log-categories":132,"log-applications":144,"log-products-739":166,"log-parent-products-739":563},{"id":4,"date":5,"date_gmt":6,"guid":7,"modified":9,"modified_gmt":10,"slug":11,"status":12,"type":13,"link":14,"title":15,"content":17,"excerpt":20,"author":22,"featured_media":23,"comment_status":24,"ping_status":25,"sticky":19,"template":26,"format":27,"meta":28,"categories":29,"application":31,"class_list":34,"acf":43,"_links":87},739,"2016-08-03T16:39:11","2016-08-03T20:39:11",{"rendered":8},"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002F?p=739","2026-05-24T23:19:24","2026-05-25T03:19:24","using-an-auv-asv-borne-magnetometer","publish","post","https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002F2016\u002F08\u002F03\u002Fusing-an-auv-asv-borne-magnetometer\u002F",{"rendered":16},"Using An AUV\u002FASV-Borne Magnetometer",{"rendered":18,"protected":19},"\u003Csection class=\"content\">\n\u003Cdiv id=\"attachment_1074\" class=\"wp-caption aligncenter\">\n\u003Cdiv id=\"attachment_1074\" style=\"width: 729px\" class=\"wp-caption aligncenter\">\u003Ca href=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.01.32-PM.png\">\u003Cimg loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1074\" class=\"wp-image-1074 size-full\" src=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.01.32-PM.png\" alt=\"Neither Explorer nor the Iver2 require a large vessel, or a lot of deck space.\" width=\"719\" height=\"288\" aria-describedby=\"caption-attachment-1074\" \u002F>\u003C\u002Fa>\u003Cp id=\"caption-attachment-1074\" class=\"wp-caption-text\">Neither Explorer nor the Iver2 require a large vessel, or a lot of deck space.\u003C\u002Fp>\u003C\u002Fdiv>\n\u003Cp>&nbsp;\u003C\u002Fp>\n\u003C\u002Fdiv>\n\u003Cp>The conditions were completely unsuitable for boattowed survey, but the Iver2 had no problem.\u003C\u002Fp>\n\u003Cblockquote>\u003Cp>AUVs\u002FASVs are powerful platforms for marine survey, wielding an arsenal of sensors and giving the ability to get closer to investigated targets reliably, consistently and inexpensively.\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>Magnetometers have always been a particular challenge to mount on AUVs\u002FASV because of their strong magnetic signatures.\u003C\u002Fp>\n\u003Cp>AUVs\u002FASV must use electric motors for all their actuators, and these in turn create strong magnetic fields when they operate, interfering with the magnetometer sensor.\u003C\u002Fp>\n\u003Cp>Further, AUVs\u002FASV have strict power budgets. Small increases in power consumption or hydrodynamic drag will shorten their runtime.\u003C\u002Fp>\n\u003Cp>To solve the problem, an AUVs\u002FASV was needed whose magnetism was mild at best, and a magnetometer was needed that was small, and low-powered. Iver2 is a handdeployable vehicle designed for quick deployment in inshore (&lt;100m water depth) conditions.\u003C\u002Fp>\n\u003Cp>Explorer is the smallest, lightest marine total-field magnetometer ever developed – using high accuracy Overhauser technology for high sensitivity, low noise and extremely low power consumption. Together, the two created the perfect combination.\u003C\u002Fp>\n\u003Cdiv id=\"attachment_1076\" class=\"wp-caption aligncenter\">\n\u003Cdiv id=\"attachment_1076\" style=\"width: 725px\" class=\"wp-caption aligncenter\">\u003Ca href=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.03.17-PM.png\">\u003Cimg loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1076\" class=\"wp-image-1076 size-full\" src=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.03.17-PM.png\" alt=\"The total-fi eld magnetic dataset acquired by the Iver2-Explorer, showing the survey track, which is extremely straight and precise. If AUV-induced error were present, one would expect to see ‘striping’ along the direction of the survey lines. Instead, the background fi eld is very smooth and gradual, showcasing the accuracy of the data. The two linear anomalies are charted steel pipelines.\" width=\"715\" height=\"676\" aria-describedby=\"caption-attachment-1076\" \u002F>\u003C\u002Fa>\u003Cp id=\"caption-attachment-1076\" class=\"wp-caption-text\">The total-field magnetic dataset acquired by the Iver2-Explorer, showing the survey track, which is extremely straight and precise. If AUV\u002FASV-induced error were present, one would expect to see ‘striping’ along the direction of the survey lines. Instead, the background field is very smooth and gradual, showcasing the accuracy of the data. The two linear anomalies are charted steel pipelines.\u003C\u002Fp>\u003C\u002Fdiv>\n\u003Cp id=\"caption-attachment-1076\" class=\"wp-caption-text\">The total-field magnetic dataset acquired by the Iver2-Explorer, showing the survey track, which is extremely straight and precise. If AUV\u002FASV-induced error were present, one would expect to see ‘striping’ along the direction of the survey lines. Instead, the background field is very smooth and gradual, showcasing the accuracy of the data. The two linear anomalies are charted steel pipelines.\u003C\u002Fp>\n\u003C\u002Fdiv>\n\u003Cdiv id=\"attachment_1075\" class=\"wp-caption aligncenter\">\n\u003Cdiv id=\"attachment_1075\" style=\"width: 726px\" class=\"wp-caption aligncenter\">\u003Ca href=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.03.29-PM.png\">\u003Cimg loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1075\" class=\"wp-image-1075 size-full\" src=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.03.29-PM.png\" alt=\"The total-fi eld magnetic dataset acquired by the Iver2-Explorer, showing the survey track, which is extremely straight and precise. If AUV-induced error were present, one would expect to see ‘striping’ along the direction of the survey lines. Instead, the background fi eld is very smooth and gradual, showcasing the accuracy of the data. The two linear anomalies are charted steel pipelines.\" width=\"716\" height=\"679\" aria-describedby=\"caption-attachment-1075\" \u002F>\u003C\u002Fa>\u003Cp id=\"caption-attachment-1075\" class=\"wp-caption-text\">Explorer magnetometer data overlaid onto a mosaic of the side scan data, all collected by the Iver2 at the same time. The two data types are extremely complimentary, allowing powerful analysis of many geophysical variables at the same time. This image shows a small boat anchor detected by both the mag and the side scan sonar. Some small mag anomalies are not visible in the side scan record, indicating buried objects.\u003C\u002Fp>\u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003Cblockquote>\u003Cp>Iver2 was designed with the capability to tow a small payload, allowing the Explorer sensor to be kept outside the AUV\u002FASV housing.\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>Still, the amount of tow cable was practically limited to a small distance.\u003C\u002Fp>\n\u003Cp>After intensive lab testing and engineering at OceanServer’s and Marine Magnetics’ facilities, the next step was a true field test: an actual survey over a site with known magnetic anomalies, and a smooth regional background ambient magnetic field.\u003C\u002Fp>\n\u003Cp>The test site was on Lake Ontario, and it was conducted close to the end of the 2012 season, when weather conditions were rarely calm and nice.\u003C\u002Fp>\n\u003Cp>Most of the survey was conducted at night, and in stormy conditions. Waves increased from 1m to 2m over the course of the project. Rain and thunderstorms began around the midpoint.\u003C\u002Fp>\n\u003Cblockquote>\u003Cp>The conditions were completely unsuitable for boattowed survey, but the Iver2 had no problem.\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>Iver2 can be programmed to track the sea floor, or to survey at a fixed depth. Since the bathymetry of the area was not well known, and sharp inclines may have existed, Iver2 was programmed for a constant water depth of 3m. Survey speed was set to 2.5kts, which is nominal for the AUV\u002FASV.\u003C\u002Fp>\n\u003Cp>Slower speeds save power, and increase endurance. A side benefit of slower speed is higher spatial resolution for the magnetic data. Explorer was set to sample at 2Hz.\u003C\u002Fp>\n\u003Cp>Line spacing was set to 10m—a distance that would be a challenge to maintain reliably for a human boat operator, even in calm conditions, but Iver2 maintained it perfectly in a storm.\u003C\u002Fp>\n\u003Cp>A huge benefit of the system is that the Iver2 can maintain very tight line spacings, producing data with very high spatial resolution.\u003C\u002Fp>\n\u003Cdiv id=\"attachment_1077\" class=\"wp-caption aligncenter\">\n\u003Cdiv id=\"attachment_1077\" style=\"width: 538px\" class=\"wp-caption aligncenter\">\u003Ca href=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.09.22-PM.png\">\u003Cimg loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1077\" class=\"wp-image-1077 size-full\" src=\"http:\u002F\u002Fwww.marinemagnetics.com\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002FScreen-Shot-2016-08-03-at-2.09.22-PM.png\" alt=\"Explorer is neutrally buoyant and tows directly behind the Iver2 with very little drag\" width=\"528\" height=\"350\" aria-describedby=\"caption-attachment-1077\" \u002F>\u003C\u002Fa>\u003Cp id=\"caption-attachment-1077\" class=\"wp-caption-text\">Explorer is neutrally buoyant and tows directly behind the Iver2 with very little drag\u003C\u002Fp>\u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003Cp>The entire survey required six hours to complete, totaling a little over 18 line-km. The magnetometer data was downloaded wirelessly directly from the Iver2, and processed. Two corrections were applied: the magnetometer coordinates were adjusted for the 5m tow cable length, and correction for diurnal variation was applied using data from the Ottawa magnetic observatory. The smoothness of the regional background field shows the extremely low error level in the data. Had there been\u003C\u002Fp>\n\u003Cp>Two corrections were applied: the magnetometer coordinates were adjusted for the 5m tow cable length, and correction for diurnal variation was applied using data from the Ottawa magnetic observatory. The smoothness of the regional background field shows the extremely low error level in the data. Had there been\u003C\u002Fp>\n\u003Cp>The smoothness of the regional background field shows the extremely low error level in the data. Had there been\u003C\u002Fp>\n\u003Cp>Had there been AUV\u002FASV-induced error, horizontal striping would be visible in the background field—no such striping is present.\u003C\u002Fp>\n\u003Cp>The strong pipeline anomalies in the center of the block are positioned accurately exactly where expected and shown on marine charts. Small point-source anomalies are visible throughout the block.\u003C\u002Fp>\n\u003Cp>The Iver2 also carried a Klein 3900 500kHz side scan sonar, which operated continuously during the survey. Collecting both side scan and magnetometer datasets with a single platform is a major benefit.\u003C\u002Fp>\n\u003Cp>The side scan mosaic is shown above, superimposed on the magnetic field plot. The two data forms provide complimentary information on detected targets. Some magnetic anomalies do not appear on the side scan mosaic, indicating they are buried. Others are clearly shown, such as the small anchor in the callout.\u003C\u002Fp>\n\u003Cblockquote>\u003Cp>The Iver2-Explorer combination represents a powerful, high accuracy survey tool.\u003C\u002Fp>\u003C\u002Fblockquote>\n\u003Cp>Precise positioning, high resolution coverage, excellent data quality, the ability to survey in harsh conditions, and with low operating costs make it an attractive tool for a magnetic surveyor’s toolkit.\u003C\u002Fp>\n\u003Cp>Explorer is available now in an Iver2-compatible configuration from Marine Magnetics. It simply plugs into any suitably equipped Iver2 vehicle, and is ready to survey.\u003C\u002Fp>\n\u003Ch5>The side scan sonar dataset was processed and mosaicked with Hypack. Thank you to Hypack for very generously providing Marine Magnetics with the software.\u003C\u002Fh5>\n\u003C\u002Fsection>\n",false,{"rendered":21,"protected":19},"\u003Cp>The Iver2–Explorer duo delivered crisp, interference-free magnetic data in stormy conditions that would shut down any boat-towed 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data-start=\"56\" data-end=\"208\">Prepared by Marine Magnetics in collaboration with OceanServer Technology 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with Gigapixel v1.1.3. 1920x1080 =&gt; 1920x1080 (1x) Model: Low Resolution V2, denoise: 0.12, sharpen: 0.01, decompression: 0.11",[],1004,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FEXPAUV-Test-web-gigapixel-low-resolution-v2-1x.jpg",{"icon":215,"description":219},{"filesize":216,"id":217,"url":218},1472,254,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FIcon-FeatureAUV.svg","Ideal for precise offshore survey control",[221],{"section_text":222,"innovations_list":223},"\u003Cp>\u003Cstrong>Made to Integrate\u003C\u002Fstrong> — We’ve reengineered our total-field magnetometer for neutral buoyancy so it can follow the path your AUV takes without sinking or floating upwards. It’s ideal for inshore, shallow water work, or offshore towed behind Side Scans, AUVs and ROVs.\u003C\u002Fp>\n",[224,258,298,332],{"media":225,"description":257},{"width":174,"height":175,"file":226,"filesize":227,"sizes":228,"image_meta":253,"id":255,"url":256},"2025\u002F05\u002FExplorerAUV-Operation.jpg",265613,{"medium":229,"large":233,"thumbnail":237,"medium_large":241,"1536x1536":245,"chip":249},{"file":230,"width":52,"height":181,"mime-type":182,"filesize":231,"url":232},"ExplorerAUV-Operation-300x169.jpg",5642,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-300x169.jpg",{"file":234,"width":59,"height":187,"mime-type":182,"filesize":235,"url":236},"ExplorerAUV-Operation-1024x576.jpg",64706,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-1024x576.jpg",{"file":238,"width":65,"height":65,"mime-type":182,"filesize":239,"url":240},"ExplorerAUV-Operation-150x150.jpg",3016,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-150x150.jpg",{"file":242,"width":70,"height":196,"mime-type":182,"filesize":243,"url":244},"ExplorerAUV-Operation-768x432.jpg",35756,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-768x432.jpg",{"file":246,"width":201,"height":202,"mime-type":182,"filesize":247,"url":248},"ExplorerAUV-Operation-1536x864.jpg",144307,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-1536x864.jpg",{"file":250,"width":76,"height":76,"mime-type":182,"filesize":251,"url":252},"ExplorerAUV-Operation-100x100.jpg",1564,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation-100x100.jpg",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":254},[],984,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Operation.jpg","\u003Cp>It’s ideal for inshore, shallow water work, or offshore towed behind Side Scans, AUVs and ROVs.\u003C\u002Fp>\n",{"media":259,"description":297},{"width":260,"height":261,"file":262,"filesize":263,"sizes":264,"image_meta":293,"id":295,"url":296},1640,1240,"2016\u002F08\u002Fimage-7-1.png",3082447,{"medium":265,"large":270,"thumbnail":275,"medium_large":279,"1536x1536":284,"chip":289},{"file":266,"width":52,"height":267,"mime-type":54,"filesize":268,"url":269},"image-7-1-300x227.png",227,130241,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-300x227.png",{"file":271,"width":59,"height":272,"mime-type":54,"filesize":273,"url":274},"image-7-1-1024x774.png",774,1199732,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-1024x774.png",{"file":276,"width":65,"height":65,"mime-type":54,"filesize":277,"url":278},"image-7-1-150x150.png",46320,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-150x150.png",{"file":280,"width":70,"height":281,"mime-type":54,"filesize":282,"url":283},"image-7-1-768x581.png",581,715340,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-768x581.png",{"file":285,"width":201,"height":286,"mime-type":54,"filesize":287,"url":288},"image-7-1-1536x1161.png",1161,2445186,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-1536x1161.png",{"file":290,"width":76,"height":76,"mime-type":54,"filesize":291,"url":292},"image-7-1-100x100.png",22038,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1-100x100.png",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":294},[],814,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2016\u002F08\u002Fimage-7-1.png","\u003Cp>From 4.5 kg on the deck to neutrally buoyant in the water.\u003C\u002Fp>\n",{"media":299,"description":331},{"width":174,"height":175,"file":300,"filesize":301,"sizes":302,"image_meta":327,"id":329,"url":330},"2025\u002F05\u002FBoatSea-Path.jpg",326729,{"medium":303,"large":307,"thumbnail":311,"medium_large":315,"1536x1536":319,"chip":323},{"file":304,"width":52,"height":181,"mime-type":182,"filesize":305,"url":306},"BoatSea-Path-300x169.jpg",4474,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-300x169.jpg",{"file":308,"width":59,"height":187,"mime-type":182,"filesize":309,"url":310},"BoatSea-Path-1024x576.jpg",52663,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-1024x576.jpg",{"file":312,"width":65,"height":65,"mime-type":182,"filesize":313,"url":314},"BoatSea-Path-150x150.jpg",2061,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-150x150.jpg",{"file":316,"width":70,"height":196,"mime-type":182,"filesize":317,"url":318},"BoatSea-Path-768x432.jpg",27422,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-768x432.jpg",{"file":320,"width":201,"height":202,"mime-type":182,"filesize":321,"url":322},"BoatSea-Path-1536x864.jpg",142620,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-1536x864.jpg",{"file":324,"width":76,"height":76,"mime-type":182,"filesize":325,"url":326},"BoatSea-Path-100x100.jpg",1145,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path-100x100.jpg",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":328},[],985,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FBoatSea-Path.jpg","\u003Cp>Precisely follow the path your AUV takes without sinking or floating upwards.\u003C\u002Fp>\n",{"media":333,"description":370},{"width":174,"height":334,"file":335,"filesize":336,"sizes":337,"image_meta":366,"id":368,"url":369},782,"2025\u002F05\u002FExplorerAUV-Test.jpg",218333,{"medium":338,"large":343,"thumbnail":348,"medium_large":352,"1536x1536":357,"chip":362},{"file":339,"width":52,"height":340,"mime-type":182,"filesize":341,"url":342},"ExplorerAUV-Test-300x122.jpg",122,9747,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-300x122.jpg",{"file":344,"width":59,"height":345,"mime-type":182,"filesize":346,"url":347},"ExplorerAUV-Test-1024x417.jpg",417,72758,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-1024x417.jpg",{"file":349,"width":65,"height":65,"mime-type":182,"filesize":350,"url":351},"ExplorerAUV-Test-150x150.jpg",5441,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-150x150.jpg",{"file":353,"width":70,"height":354,"mime-type":182,"filesize":355,"url":356},"ExplorerAUV-Test-768x313.jpg",313,45359,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-768x313.jpg",{"file":358,"width":201,"height":359,"mime-type":182,"filesize":360,"url":361},"ExplorerAUV-Test-1536x626.jpg",626,136768,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-1536x626.jpg",{"file":363,"width":76,"height":76,"mime-type":182,"filesize":364,"url":365},"ExplorerAUV-Test-100x100.jpg",2908,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test-100x100.jpg",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":367},[],986,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorerAUV-Test.jpg","\u003Cp>Use RS-232 to connect to most AUV\u002FASV systems.\u003C\u002Fp>\n",[372,398,424,450],{"image":373,"description":397},{"width":46,"height":46,"file":374,"filesize":375,"sizes":376,"image_meta":393,"id":395,"url":396},"2025\u002F05\u002FExplorer-PowerConsumption.png",86344,{"medium":377,"thumbnail":381,"medium_large":385,"chip":389},{"file":378,"width":52,"height":52,"mime-type":54,"filesize":379,"url":380},"Explorer-PowerConsumption-300x300.png",47345,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-PowerConsumption-300x300.png",{"file":382,"width":65,"height":65,"mime-type":54,"filesize":383,"url":384},"Explorer-PowerConsumption-150x150.png",12906,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-PowerConsumption-150x150.png",{"file":386,"width":70,"height":70,"mime-type":54,"filesize":387,"url":388},"Explorer-PowerConsumption-768x768.png",308047,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-PowerConsumption-768x768.png",{"file":390,"width":76,"height":76,"mime-type":54,"filesize":391,"url":392},"Explorer-PowerConsumption-100x100.png",6847,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-PowerConsumption-100x100.png",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":394},[],981,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-PowerConsumption.png","\u003Cp>\u003Cstrong>Ultra Low 2 W Power Consumption\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>Explorer can be powered by a single car battery for up to 200 hours.\u003C\u002Fp>\n",{"image":399,"description":423},{"width":46,"height":46,"file":400,"filesize":401,"sizes":402,"image_meta":419,"id":421,"url":422},"2025\u002F05\u002FExplorer-BOBLaptop.png",186928,{"medium":403,"thumbnail":407,"medium_large":411,"chip":415},{"file":404,"width":52,"height":52,"mime-type":54,"filesize":405,"url":406},"Explorer-BOBLaptop-300x300.png",22858,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-BOBLaptop-300x300.png",{"file":408,"width":65,"height":65,"mime-type":54,"filesize":409,"url":410},"Explorer-BOBLaptop-150x150.png",7291,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-BOBLaptop-150x150.png",{"file":412,"width":70,"height":70,"mime-type":54,"filesize":413,"url":414},"Explorer-BOBLaptop-768x768.png",133401,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-BOBLaptop-768x768.png",{"file":416,"width":76,"height":76,"mime-type":54,"filesize":417,"url":418},"Explorer-BOBLaptop-100x100.png",4022,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-BOBLaptop-100x100.png",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":420},[],982,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-BOBLaptop.png","\u003Cp>\u003Cstrong>One Person Operation\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>4.5 kgs (9.9 lbs) for the mag 6.9 kgs (15 lbs) for a 50m (164 ft) tow cable\u003C\u002Fp>\n",{"image":425,"description":449},{"width":46,"height":46,"file":426,"filesize":427,"sizes":428,"image_meta":445,"id":447,"url":448},"2025\u002F05\u002FIsolatedAnomaly.png",116182,{"medium":429,"thumbnail":433,"medium_large":437,"chip":441},{"file":430,"width":52,"height":52,"mime-type":54,"filesize":431,"url":432},"IsolatedAnomaly-300x300.png",72350,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FIsolatedAnomaly-300x300.png",{"file":434,"width":65,"height":65,"mime-type":54,"filesize":435,"url":436},"IsolatedAnomaly-150x150.png",21251,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FIsolatedAnomaly-150x150.png",{"file":438,"width":70,"height":70,"mime-type":54,"filesize":439,"url":440},"IsolatedAnomaly-768x768.png",405741,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FIsolatedAnomaly-768x768.png",{"file":442,"width":76,"height":76,"mime-type":54,"filesize":443,"url":444},"IsolatedAnomaly-100x100.png",10394,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FIsolatedAnomaly-100x100.png",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":446},[],980,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FIsolatedAnomaly.png","\u003Cp>\u003Cstrong>High Sensitivity Without Export Restrictions\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>With 0.02 nT sensor sensitivity and 0.001 nT counter sensitivity Explorer maintains high sensitivity, without requiring an export permit\u003C\u002Fp>\n",{"image":451,"description":475},{"width":46,"height":46,"file":452,"filesize":453,"sizes":454,"image_meta":471,"id":473,"url":474},"2025\u002F09\u002FMaintenenceFreeSensor.png",468723,{"medium":455,"thumbnail":459,"medium_large":463,"chip":467},{"file":456,"width":52,"height":52,"mime-type":54,"filesize":457,"url":458},"MaintenenceFreeSensor-300x300.png",82768,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FMaintenenceFreeSensor-300x300.png",{"file":460,"width":65,"height":65,"mime-type":54,"filesize":461,"url":462},"MaintenenceFreeSensor-150x150.png",26601,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FMaintenenceFreeSensor-150x150.png",{"file":464,"width":70,"height":70,"mime-type":54,"filesize":465,"url":466},"MaintenenceFreeSensor-768x768.png",366399,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FMaintenenceFreeSensor-768x768.png",{"file":468,"width":76,"height":76,"mime-type":54,"filesize":469,"url":470},"MaintenenceFreeSensor-100x100.png",13336,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FMaintenenceFreeSensor-100x100.png",{"aperture":80,"credit":26,"camera":26,"caption":26,"created_timestamp":80,"copyright":26,"focal_length":80,"iso":80,"shutter_speed":80,"title":26,"orientation":80,"keywords":472},[],947,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FMaintenenceFreeSensor.png","\u003Cp>\u003Cstrong>Maintenance Free Sensors\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>No realignment and no consumable parts.\u003C\u002Fp>\n",[477,480,483,485,487,489,491,493,495,497,499,501,505,507,511,513,515,517,521,523,527,529],{"acf_fc_layout":478,"header":479},"section_header","Size + Weight",{"acf_fc_layout":481,"content":482},"wysiwyg","\u003Cp>&nbsp;\u003C\u002Fp>\n\u003Cp>\u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-301\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FExplorerAUV-Side.svg\" alt=\"\" \u002F> \u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-300\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FExplorer-Diameter.svg\" alt=\"\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Magnetometer\u003Cbr \u002F>\n\u003C\u002Fstrong>Length: 89.2 cm\u003Cbr \u002F>\nDiameter: 7.6 cm (tube), 24 cm (fin)\u003Cbr \u002F>\nWeight: 3.86 kg\u003Cbr \u002F>\nWeight in Water: Neutrally buoyant (Fresh Water)\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":484},"Sensor",{"acf_fc_layout":481,"content":486},"\u003Cp>\u003Cimg loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1067 size-medium\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2026\u002F05\u002FOverhauser.svg\" alt=\"\" width=\"300\" height=\"300\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Tuned Overhauser for absolute accuracy\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>Operating Zones: Worldwide\u003Cbr \u002F>\nMeasurement Type: Scalar\u003C\u002Fp>\n\u003Cp>Absolute Accuracy:\u003Cspan style=\"font-weight: 400;\"> 0.1 nT\u003Cbr \u002F>\n\u003C\u002Fspan>Sensor Sensitivity:\u003Cspan style=\"font-weight: 400;\"> 0.02 nT\u003Cbr \u002F>\n\u003C\u002Fspan>Counter Sensitivity:\u003Cspan style=\"font-weight: 400;\"> 0.001 nT\u003Cbr \u002F>\n\u003C\u002Fspan>Resolution:\u003Cspan style=\"font-weight: 400;\"> 0.001 nT\u003Cbr \u002F>\n\u003C\u002Fspan>Dead Zone:\u003Cspan style=\"font-weight: 400;\"> NONE\u003Cbr \u002F>\n\u003C\u002Fspan>Temperature Drift:\u003Cspan style=\"font-weight: 400;\"> NONE\u003Cbr \u002F>\n\u003C\u002Fspan>Range:\u003Cspan style=\"font-weight: 400;\"> 18,000 nT to 120,000 nT\u003Cbr \u002F>\n\u003C\u002Fspan>Gradient Tolerance:\u003Cspan style=\"font-weight: 400;\"> Over 10,000 nT\u002Fm\u003Cbr \u002F>\n\u003C\u002Fspan>Sampling Rates: 4 Hz – 0.1 Hz\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":488},"Operation",{"acf_fc_layout":481,"content":490},"\u003Cp>Depth rating: 1000m\u003Cbr \u002F>\nPower Consumption: 2 W\u003Cbr \u002F>\nPower Supply: 9-30 VDC or 100-240 VAC\u003C\u002Fp>\n\u003Cp>&nbsp;\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":492},"Data",{"acf_fc_layout":481,"content":494},"\u003Cp>Communications: RS-232, 9600 bps\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":496},"System",{"acf_fc_layout":481,"content":498},"\u003Cp>\u003Cstrong>Integrated\u003Cbr \u002F>\n\u003C\u002Fstrong>Overhauser sensor\u003Cbr \u002F>\nElectronics module with Larmour counter\u003Cbr \u002F>\nLeak detector\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":500},"Cable Options",{"acf_fc_layout":502,"left_column":503,"right_column":504},"two_column","\u003Cp>\u003Cimg loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1163\" src=\"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2026\u002F05\u002FD-Cable-Float.svg\" alt=\"\" width=\"300\" height=\"300\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Flotation Tow Cable\u003Cbr \u002F>\nAUV\u002FASV\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>Conductor: Twisted Quad (4)\u003Cbr \u002F>\nStrength Member: Vectran Braid\u003Cbr \u002F>\nBreaking Strength: 180 kg\u003Cbr \u002F>\nWorking Load: 23 kg\u003Cbr \u002F>\nOuter Diameter: 13.2 mm\u003Cbr \u002F>\nWeight in Air: 140 g\u002Fm\u003Cbr \u002F>\nWeight in Water: 0 g\u002Fm\u003Cbr \u002F>\nCable Termination: Field Replaceable\u003Cbr \u002F>\nData interface: RS-232 (or FSK)\u003Cbr \u002F>\nMaterial: Black PU\u003Cbr \u002F>\nIdeal for: Neutrally boyant towing (AUV, ASV, SSS, Shallow water)\u003C\u002Fp>\n","\u003Cp>\u003Cimg loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1164\" src=\"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2026\u002F05\u002FE-Cable-Marine.svg\" alt=\"\" width=\"300\" height=\"300\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Marine Tow Cable (Optional)\u003Cbr \u002F>\nFlexible\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>Conductor: Twisted Quad (4)\u003Cbr \u002F>\nStrength Member: Vectran Braid\u003Cbr \u002F>\nBreaking Strength: \u003Cspan data-sheets-root=\"1\">365 kg\u003C\u002Fspan>\u003Cbr \u002F>\nWorking Load: \u003Cspan data-sheets-root=\"1\">75 kg\u003C\u002Fspan>\u003Cbr \u002F>\nOuter Diameter: \u003Cspan data-sheets-root=\"1\">6.9 mm\u003C\u002Fspan>\u003Cbr \u002F>\nWeight in Air: \u003Cspan data-sheets-root=\"1\">57 g\u002Fm\u003C\u002Fspan>\u003Cbr \u002F>\nWeight in Water: \u003Cspan data-sheets-root=\"1\">18 g\u002Fm\u003C\u002Fspan>\u003Cbr \u002F>\nCable Termination: \u003Cspan data-sheets-root=\"1\">No\u003C\u002Fspan>\u003Cbr \u002F>\nData interface: \u003Cspan data-sheets-root=\"1\">RS-232 or (FSK + CAN)\u003C\u002Fspan>\u003Cbr \u002F>\nMaterial: \u003Cspan data-sheets-root=\"1\">Black PU\u003C\u002Fspan>\u003Cbr \u002F>\nIdeal for: \u003Cspan data-sheets-root=\"1\">Light-med duty towing (AUV, ASV, SSS, H-Grad)\u003C\u002Fspan>\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":506},"Software",{"acf_fc_layout":508,"software":509},"software",[510],182,{"acf_fc_layout":481,"content":512},"\u003Cp>\u003Cb>Other compatible software:\u003C\u002Fb>\u003Cspan style=\"font-weight: 400;\"> Hypack, Geosoft, Golden software, Seebyte, Fugro, Teledyne, Chesapeake Technology, Organic Imaging Consultants\u003C\u002Fspan>\u003C\u002Fp>\n",{"acf_fc_layout":478,"header":514},"Required Accessories",{"acf_fc_layout":481,"content":516},"\u003Cp>\u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-205\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FTech-Case-Reusable.svg\" alt=\"\" \u002F>\u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-195\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FTech-Cable-Batteryclip.svg\" alt=\"\" \u002F> \u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-209\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FTech-Power-Universal.svg\" alt=\"\" \u002F> \u003Cimg decoding=\"async\" class=\"alignnone size-full wp-image-225\" src=\"https:\u002F\u002Fdev2.hypelabs.dev\u002Fmarine\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F09\u002FTech-TrimKit.svg\" alt=\"\" \u002F>\u003C\u002Fp>\n\u003Cp>\u003Cb>Reusable Shipping Case:\u003C\u002Fb>\u003Cspan style=\"font-weight: 400;\">\u003Cbr \u002F>\n\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">Length: 1.02 m, Width: 30.6 cm, Height: 40.6 cm\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">\u003Cbr \u002F>\n\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">Shipping weight: 32.8 kg\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>More\u003C\u002Fstrong>\u003Cbr \u002F>\n\u003Cspan style=\"font-weight: 400;\">24V Universal AC Power Supply or Battery Clip Cable\u003Cbr \u002F>\n\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">USB or RS-232 cable\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Buoyancy Trimming Kit\u003C\u002Fstrong>\u003Cspan style=\"font-weight: 400;\">\u003Cbr \u002F>\n\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">3x clamps 50g (1.8 cm by 7.6 cm) \u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">\u003Cbr \u002F>\n\u003C\u002Fspan>\u003Cspan style=\"font-weight: 400;\">3x clamps 20g (0.8 cm by 7.6 cm)\u003C\u002Fspan>\u003C\u002Fp>\n",{"acf_fc_layout":518,"related_accessories":519},"accessories",[520],283,{"acf_fc_layout":478,"header":522},"Optional Accessories",{"acf_fc_layout":518,"related_accessories":524},[525,526],179,286,{"acf_fc_layout":478,"header":528},"Downloads",{"acf_fc_layout":530,"files":531},"files",[532,538,544,550],{"title":533,"file":534},"ExplorerAUV Brochure",{"filesize":535,"id":536,"url":537},572685,727,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FMM_Brochure_202511_ExpAUV.pdf",{"title":539,"file":540},"Explorer Brochure",{"filesize":541,"id":542,"url":543},376102,724,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FMM_Brochure_202511_Exp.pdf",{"title":545,"file":546},"Explorer Quick Start Guide",{"filesize":547,"id":548,"url":549},3072250,725,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-Quick-Start-Guide-2025-05.docx",{"title":551,"file":552},"Explorer Operation Manual",{"filesize":553,"id":554,"url":555},1068026,997,"https:\u002F\u002Fmarinemagnetics.com\u002Fcms\u002Fcustom\u002Fuploads\u002F2025\u002F05\u002FExplorer-Operation-Manual-2026-03.pdf",[557,4,558,559,560,561,562],50,761,771,777,785,796,[564],{"id":171,"slug":565,"parent":23},"explorer"]