<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> Sometimes. Yes. In order to not give away details by frequency inference they have to keep up a schedule of random transmissions. Those random transmissions are often left up to the operators to construct as they see fit. You're not far off the mark.</p>
