NOAA Satellite tracking

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Resources

Antenna

http://www.arrowantennas.com/arrowii/146-437.html Arrow 146/437-10BP Split boom without duplexer. Use two radios with this antenna.]

Antenna tuning with nanoVNA

The NOAA satellites have radio antennas that transmit the data back to Earth on a frequency in the 137 MHz range.
To minimise interference between satellites, each NOAA satellite transmits on a different frequency within the 137 MHz range

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