That’s literally just an XLR3 plug. It’s used for analog audio and DMX lighting controls.

Don’t know why you’d put it in a rock though.

I’m not an expert, but I guess it would depend on the speed of sound in the rod.

They do, but compounding errors are always a problem with inertial navigation.

Instead of GPS, they can use fixed radio beacons like VOR and TACAN (which I think are both just US systems, but there are similar systems around the world and at major airports). This is basically the system that was in use before GPS.

EDIT: grammar

He got better.

If you decide to set up an SDR for ADS-B, you might want to consider setting up a WebSDR with something like OpenWebRX. This would let people listen to all the signals in the bandwidth that you set.

If you’re interested, receiverbook.de is a list of most WebSDRs.

I don’t know enough about the lemmy server to say whether this is a regular issue. I’d just retry creating a user with the same email.

Did it show an error when you tried to confirm your email?

Amateur radio/ham radio. There are a few ham radio communities on lemmy, but they’re all fairly inactive. I occasionally check on some groups on matrix as well.

The next few years are looking quite exciting for ham radio, because we’re reaching the peak of the 11 year solar cycle. This gives us amazing conditions for long range communication.

The referendum was (if I understand it correctly) about adding an advisory body of indigenous people to parliament. This wouldn’t have given them any power to make decisions, only to advise parliament on things.

The No Campaign just straight up lied to people saying it would let them write laws, take away your land, etc…