Whole-known-network
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> I think you are, partly because of the caution with which you approach the topic.</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@chrisgj198" class="u-url mention">@<span>chrisgj198</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> I do feel that I'm not skilled enough to properly attempt this</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> True, but the inverse square law is pretty effective, if you don't vastly exceed the power that you need. Maybe attenuating one of the signals *before* mixing would give more certainty that the signal that you don't want to escape doesn't exist anywhere at high power.</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@chrisgj198" class="u-url mention">@<span>chrisgj198</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> my understanding (based on talking to someone who worked with GNSS emulators) is that it's particularly difficult to limit the power of GNSS transmissions, seeing as receivers will pull them from well below the thermal noise floor</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> I was more thinking of how it would behave in its natural environment, where the serial port is inaccessible. I agree that during investigations you should limit the power of any transmissions such that nobody else notices them.</p>
<p><span class="h-card" translate="no"><a href="https://social.treehouse.systems/@rcombs" class="u-url mention">@<span>rcombs</span></a></span> beats me</p><p>but i also would expect the SBU to know basic shit like this already. to the best of my knowledge the devices i have are of little operational interest, Ukrainian electronic warfare is far ahead of what these devices can tolerate</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@gamingonlinux" class="u-url mention">@<span>gamingonlinux</span></a></span> 🥂</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@chrisgj198" class="u-url mention">@<span>chrisgj198</span></a></span> <span class="h-card" translate="no"><a href="https://aus.social/@jpm" class="u-url mention">@<span>jpm</span></a></span> i could also just feed it the ublox binary messages; same result for less effort (with the caveat that i don't know if the ublox module will actually emit such long messages in any practical environment)</p><p>i _really_ don't want to mess with GNSS signals too much, since if they leak i'll get a not-so-friendly visit from Ofcom and it'll be 100% deserved</p>
<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> military-grade code!</p>