ARLA/CLUSTER: Instalar um beacon de 10 GHz num drone para calibrar antenas

[João Costa > CT1FBF]

 Ham radio 10 GHz beacon on a drone

Sylvain Azarian F4GKR has been flying a drone (UAV) carrying an
amateur radio 10.368 GHz microwave beacon

The project GitHub says:

RadiantBee is a tentative to use a UAV for antenna calibration.
The UAV transmits a specific signal (chirp) and telemetry to say where
it is. The base station receives the signal, locks on the chirp by
using a matched filter to estimate channel and decodes
lat/lon/altitude and UAV attitude to estimate the transmitting
conditions.

Current version transmits a 100 kHz wide FMCM chirp for 250ms followed
by a FSK message and a silence (250 ms). The base station estimate
power of received signal during the chirp (correlator) and does the
same during the 250ms of silence. The difference between chirp and
silence gives the SNR.

Transmitter (the flying BEE) is currently working on RPI + hackRF +
Pololu AltIMU + GPS. Receiver uses GPS + RTLSDR

Further information
https://github.com/f4gkr/RadiantBee
https://twitter.com/sylvain_azarian