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Why not using a NanoVNA to measure the antenna performances and parameters? It's quite cheap (less than $50) and it will provide a more objective methodology to
by lormayna 4y ago
Why not using a NanoVNA to measure the antenna performances and parameters? It's quite cheap (less than $50) and it will provide a more objective methodology to test an antenna.
- SamPatt 4y agoProbably because they had fun doing it?
- kawfey 4y agoA VNA still doesn’t tell you range an antenna gives over another (ie gain). For that, a legit antenna test range is necessary, or a hike out in the woods works too.
- madengr 4y ago
- dbrgn 4y agoI did that a while ago (with more professional tools though): https://www.coredump.ch/2017/04/13/lorawan-868mhz-antenna-test-part-1/ https://www.coredump.ch/2017/04/13/lorawan-868mhz-antenna-te... https://www.coredump.ch/2017/04/30/lorawan-868mhz-antenna-test-part-2/ https://www.coredump.ch/2017/04/30/lorawan-868mhz-antenna-te...
- myself248 4y agoA 50-ohm resistor will appear to a VNA like a perfectly efficient antenna...
- reportingsjr 4y agoIf you're knowingly measuring a 50 ohm resistor with a VNA you're either calibrating it, or need to do more reading about a VNA.