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The frequencies they intend to use limit them to antennas roughly the size of a pizza box, which is a little bit too unwieldy for a backpack...
by Tuna-Fish 10y ago
The frequencies they intend to use limit them to antennas roughly the size of a pizza box, which is a little bit too unwieldy for a backpack...
- Nokinside 10y agoThere are already satellite antennas larger than pizza box that fit into a backback.
- bigiain 10y agoQuestion: what sort of antennas would they use for this? A 1/4wave dipole at 10GHz would be _tiny_ (like 8mm or so, right?) - but presumably insufficiently sensitive for a satellite 800 miles up? I've got a 5.8GHz "patch antenna" for FPV video from a quad copter which claims 12db gain - but I've got no idea what shape it is inside (it's small, maybe 70 or 80mm square, but it's a literal "black box" with an sma connector on it from my perspective).