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#EPIRB

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Kevin Karhan :verified:<p><span class="h-card" translate="no"><a href="https://social.linux.pizza/@FandaSin" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>FandaSin</span></a></span> obviously, just like any enclosed biosphere, these things don't last forever.</p><ul><li><p>But given the average lifetime of <a href="https://infosec.space/tags/LiIon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LiIon</span></a>;/ <a href="https://infosec.space/tags/LiPo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LiPo</span></a> / <a href="https://infosec.space/tags/LiCo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LiCo</span></a> - batteries and their degradation, I'd say that such an algae battery (alongside electronics like <a href="https://infosec.space/tags/capacitors" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>capacitors</span></a> and other means to smoothen out power supply and.buffer for demands) would definitely be an improvement for many use-cases.</p></li><li><p>Espechally if we're talking about devices in well-lit areas.</p></li></ul><p>I'd consider it more akin to non-rechargeable longlife batteries for something that needs to run unattended for months if not years.</p><ul><li>But so far this is some interesting research and even if this technology could not improve from the tested lab version, I'd say it's sufficient to power a dive computer if not keep a big capacitor charged for something like an <a href="https://infosec.space/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a>.</li></ul><p>Not to mention it may be a potential competitior to <a href="https://infosec.space/tags/SolarPanels" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SolarPanels</span></a> in some cases where an optimal panel installation is impossible.</p><ul><li>I'd not even expect it to be able to charge a smartphone, much less to power a <a href="https://infosec.space/tags/Pi0W2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pi0W2</span></a> even when run underclocked with only a single thread.</li></ul>
Kevin Karhan :verified:<p>I wounder why noone yet build a <a href="https://infosec.space/tags/Smartphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Smartphone</span></a> with <a href="https://infosec.space/tags/Iridium" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Iridium</span></a> or <a href="https://infosec.space/tags/Inmarsat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Inmarsat</span></a> connectivity or even a <a href="https://infosec.space/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a> function on 406MHz (<a href="https://infosec.space/tags/CospasSarsat" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CospasSarsat</span></a> band)...</p><ul><li>Cuz those would make sense.</li></ul><p>I don't expect them to offer me some <a href="https://infosec.space/tags/PTT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PTT</span></a> <a href="https://m-cramer.shop/en/modems-terminals/iridium-modems-terminals/iridium-9523-core/" rel="nofollow noopener" target="_blank">capabilities</a> but merely <a href="https://m-cramer.shop/en/modems-terminals/iridium-modems-terminals/iridium-9603n/" rel="nofollow noopener" target="_blank">SBD services</a> for some <a href="https://m-cramer.shop/documents/0214_Iridium_SBD_EN.pdf" rel="nofollow noopener" target="_blank">costly emergency messaging</a>…</p>
Alex@rtnVFRmedia Suffolk UK<p>Whats most worrying here is this couple appear to be seasoned and experienced travellers and were well prepared, but appeared unable to have sent out a MAYDAY call when their small boat got into trouble (possible collision with bulk cargo vessel in same channel) and did not have an <a href="https://social.tchncs.de/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a> (they did at least file traffic report with the Coastguard who reported them missing on 2024-07-03)</p><p><a href="https://social.tchncs.de/tags/Canada" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Canada</span></a> <a href="https://social.tchncs.de/tags/Maritime" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Maritime</span></a> <a href="https://social.tchncs.de/tags/sailing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sailing</span></a> </p><p><a href="https://www.bbc.co.uk/news/articles/c84jxgy8nmlo" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bbc.co.uk/news/articles/c84jxg</span><span class="invisible">y8nmlo</span></a></p>
AI6YR Ben<p>USCG: "Mariners intending to conduct an open ocean passage are highly encouraged to have multiple layers of communication, including a VHF-FM DSC radio, HF DSC radio, satellite communications, and a 406Mhz electronic position indicating radio beacon (EPIRB) as the notification of last resort to help SAR authorities locate your position in a time of need.”" <a href="https://m.ai6yr.org/tags/marine" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>marine</span></a> <a href="https://m.ai6yr.org/tags/safety" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>safety</span></a> <a href="https://m.ai6yr.org/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radio</span></a> <a href="https://m.ai6yr.org/tags/epirb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>epirb</span></a></p>
ftg<p>It refuses to power up when fed with DC.<br>DO these EPIRB things need a complete battery for test or other use?</p><p>Do note, I have removed the high power UHF PA and wired the PA input pin and the antenna port into BNC pigtails, so that emissions on 406MHz 121.500MHz are contained and not radiated. </p><p>I want to modify the 406MHz side to the <a href="https://mastodon.radio/tags/70cm" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>70cm</span></a> amateur radio band and the 121.500MHz side to somewhere on 2m.</p><p><a href="https://mastodon.radio/tags/2m" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>2m</span></a> <a href="https://mastodon.radio/tags/VHF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>VHF</span></a> <a href="https://mastodon.radio/tags/UHF" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UHF</span></a> <a href="https://mastodon.radio/tags/amateur" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>amateur</span></a> <a href="https://mastodon.radio/tags/radio" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>radio</span></a> <a href="https://mastodon.radio/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a> <a href="https://mastodon.radio/tags/junk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>junk</span></a></p>
Kevin Karhan :verified:<p><a href="https://mstdn.social/tags/enos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>enos</span></a> is good because it's cheap, doesn't require licensing nor registration and since it's not using emergency radio bands, is not susceptible to costly false alerts...</p><p>Personally, I did consider buying my own <a href="https://mstdn.social/tags/ENOS" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ENOS</span></a> beacon as a <a href="https://mstdn.social/tags/diver" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>diver</span></a> since it's cheaper than any other <a href="https://mstdn.social/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a> and can be really helpful in areas of strong currents where it's impractical to swim.<br><a href="https://en.wikipedia.org/wiki/ENOS_Rescue-System" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/ENOS_Res</span><span class="invisible">cue-System</span></a><br><a href="https://en.wikipedia.org/wiki/Emergency_position-indicating_radiobeacon" rel="nofollow noopener" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Emergenc</span><span class="invisible">y_position-indicating_radiobeacon</span></a></p>
cynicalsecurity :cm_2:research review
David Bremner<p><span class="h-card"><a href="https://chaos.social/@slothrop" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>slothrop</span></a></span> Do kayakers use emergency communication/location tech like <a href="https://mathstodon.xyz/tags/EPIRB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EPIRB</span></a> or <a href="https://mathstodon.xyz/tags/PLB" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PLB</span></a>? Some of the more cautious <a href="https://mathstodon.xyz/tags/scuba" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scuba</span></a> divers do, and it seems tough enough to throw in a kayak. I forget the details now, but at least one of the gadgets is satellite based, which should work reasonable well in no-cell-signal back country.</p>
EUSPA - EU Agency for the Space Programme<p><a href="https://toad.social/tags/EUSpace" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EUSpace</span></a> and the Arctic: Short Documentary</p><p><a href="https://tube.network.europa.eu/videos/watch/92f00157-85bf-459f-8696-d564ca60770b" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">tube.network.europa.eu/videos/</span><span class="invisible">watch/92f00157-85bf-459f-8696-d564ca60770b</span></a></p>
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