SDR is an incredible tool for understanding radio

It's fascinating what you can see with even an inexpensive SDR!

Thanks to Benjamin Vernoux for sending over a HydraSDR for us to test pre-launch! We were not paid for this video, but two HydraSDR units were provided for our testing.

Links to all the different SDRs we mentioned (in order of price):

RTL-SDR v3: https://amzn.to/4kf6eby
RTL-SDR v4: https://amzn.to/44nKYui
Nooelec v5: https://amzn.to/4lOZ6E3
HydraSDR: https://hydrasdr.com
Great Scott Gadgets HackRF One: https://amzn.to/3Ijdw0l
NI USRP-2953R: https://www.ni.com/en-us/support/mode...

The software we used in this video was AirSpy SDR#: https://airspy.com/download/

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Contents:

00:00 - SDR is amazing
01:13 - Exploring the FM band
02:20 - Spurs and HD regrowth
04:11 - Antennas matter
04:51 - Analyzing signals and digital carriers
07:34 - Dealing with a weak signal and gain
10:56 - Exploring 900 MHz and Meshtastic
13:05 - SDR Rabbit Holes
13:43 - Ferrite chokes and cables
15:46 - Choosing an SDR
17:22 - The reason HydraSDR is 'Hydra' SDR
18:49 - Bonus - Band Scanner 2
21:30 - Specialized SDR for FM RF Engineers