<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>defrost</author><text>&amp;gt; ADS-B data is broadcast every half-second on a 1090MHz, digital data link.&lt;p&gt;For more than a decade I worked airborne geophysical surveying - hundred thousand to a million+ line kilometre grid draping at 80m ground clearance on routes planned in advance.&lt;p&gt;The planes ran stable known instrument configurations and were calibrated weekly to measure their individual magnetic and radiometric signature.&lt;p&gt;Aircraft positioning signals on long haul flights Australia -&amp;gt; India -&amp;gt; Fiji -&amp;gt; Mali weren&amp;#x27;t an issue.&lt;p&gt;Extraneous non required signalling during grid surveying was an issue.&lt;p&gt;A reasonable comprimise was to blip a quick position fix at the end of every fourth or fifth 20 kilometre line run (say) ... otherwise no broadcasts during instrument recording times .. and glow in the dark divers watches for the pilots or random chunks of metal casing there one day and gone the next.</text><parent_chain><item><author>jMyles</author><text>I&amp;#x27;d love to hear a genuine argument from someone, of any age, who is anti-ADS-B.&lt;p&gt;I don&amp;#x27;t understand the impetus to allow someone to fly a massive, deadly hunk of metal over a community without clarifying their telemetry to that community.&lt;p&gt;I think it&amp;#x27;s an act of wanton corruption that law enforcement is now exempt from this requirement in some situations.</text></item><item><author>stevehawk</author><text>&amp;gt; The other is privacy.&lt;p&gt;True in the aviation world. I&amp;#x27;ve noticed that most people under, say, 50 or so, like ADS-B (airplanes broadcasting their location) for the safety reasons. But most of the pilots over 50 will say &amp;quot;It&amp;#x27;s just the government coming up with another way to track you.&amp;quot;</text></item><item><author>TrackerFF</author><text>So this is something I work with directly, but for some other agency.&lt;p&gt;First off, a big reason as to why - is because the laws differ from country to country. Some countries, like Norway for example, require shipping vessels over a certain length to broadcast their positions through AIS, VMS.&lt;p&gt;This may not be the case for, say, UK.&lt;p&gt;There are arguments to be had from both systems as to WHY you wouldn&amp;#x27;t want to broadcast your positions at all times - a typical one is that other could easily infer your fishing fields (fishing patterns are trivial, if you&amp;#x27;ve worked with this you can easily spot what tools they are fishing with, and likely what species they are going for - don&amp;#x27;t need ML-based systems for that. Any fisher or fisheries analyst can spot the patterns), and thus go after that.&lt;p&gt;The other is privacy.&lt;p&gt;A very typical thing is that ships turn off their AIS as soon as they enter international waters. There is no enforcement of that, and many developed countries have practically zero resources to fight illegal fishing, from a technological point of view. UNDP has a program which is aimed at helping developing countries with the tech and training to detect illegal fishing, but there&amp;#x27;s a long way to go. Developing countries desperately need the data, which is either owned by governments, or private actors. AIS data is either picked up by satellites, or base stations. VMS systems are expensive, but also allow for ships to transfer catch reports and similar  - but is unfortunately not always enforced in a good way.&lt;p&gt;But tech is becoming better. Satellites with NAV&amp;#x2F;marine radar detectors are in orbit. Long-range drones with sensors are a thing. Countries are hammering through laws that force ships to have certain sensors on them. Lots of ML-assisted tools for automating detection and analysis is being introduced and used.</text></item></parent_chain></comment><story><title>AI and satellite imagery reveals expanding footprint of human activity at sea</title><url>https://globalfishingwatch.org/press-release/new-research-harnesses-ai-and-satellite-imagery-to-reveal-the-expanding-footprint-of-human-activity-at-sea/</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>pc86</author><text>There is no legitimate argument against ADS-B other than &amp;quot;I don&amp;#x27;t wanna.&amp;quot; Not to say that that isn&amp;#x27;t legitimate and doesn&amp;#x27;t at least deserve a discussion, but that&amp;#x27;s really it. There&amp;#x27;s really no Constitutional or statutory argument against requiring ADS-B.</text><parent_chain><item><author>jMyles</author><text>I&amp;#x27;d love to hear a genuine argument from someone, of any age, who is anti-ADS-B.&lt;p&gt;I don&amp;#x27;t understand the impetus to allow someone to fly a massive, deadly hunk of metal over a community without clarifying their telemetry to that community.&lt;p&gt;I think it&amp;#x27;s an act of wanton corruption that law enforcement is now exempt from this requirement in some situations.</text></item><item><author>stevehawk</author><text>&amp;gt; The other is privacy.&lt;p&gt;True in the aviation world. I&amp;#x27;ve noticed that most people under, say, 50 or so, like ADS-B (airplanes broadcasting their location) for the safety reasons. But most of the pilots over 50 will say &amp;quot;It&amp;#x27;s just the government coming up with another way to track you.&amp;quot;</text></item><item><author>TrackerFF</author><text>So this is something I work with directly, but for some other agency.&lt;p&gt;First off, a big reason as to why - is because the laws differ from country to country. Some countries, like Norway for example, require shipping vessels over a certain length to broadcast their positions through AIS, VMS.&lt;p&gt;This may not be the case for, say, UK.&lt;p&gt;There are arguments to be had from both systems as to WHY you wouldn&amp;#x27;t want to broadcast your positions at all times - a typical one is that other could easily infer your fishing fields (fishing patterns are trivial, if you&amp;#x27;ve worked with this you can easily spot what tools they are fishing with, and likely what species they are going for - don&amp;#x27;t need ML-based systems for that. Any fisher or fisheries analyst can spot the patterns), and thus go after that.&lt;p&gt;The other is privacy.&lt;p&gt;A very typical thing is that ships turn off their AIS as soon as they enter international waters. There is no enforcement of that, and many developed countries have practically zero resources to fight illegal fishing, from a technological point of view. UNDP has a program which is aimed at helping developing countries with the tech and training to detect illegal fishing, but there&amp;#x27;s a long way to go. Developing countries desperately need the data, which is either owned by governments, or private actors. AIS data is either picked up by satellites, or base stations. VMS systems are expensive, but also allow for ships to transfer catch reports and similar  - but is unfortunately not always enforced in a good way.&lt;p&gt;But tech is becoming better. Satellites with NAV&amp;#x2F;marine radar detectors are in orbit. Long-range drones with sensors are a thing. Countries are hammering through laws that force ships to have certain sensors on them. Lots of ML-assisted tools for automating detection and analysis is being introduced and used.</text></item></parent_chain></comment><story><title>AI and satellite imagery reveals expanding footprint of human activity at sea</title><url>https://globalfishingwatch.org/press-release/new-research-harnesses-ai-and-satellite-imagery-to-reveal-the-expanding-footprint-of-human-activity-at-sea/</url></story>