Abstract: Ionosonde is High Frequency (HF) high power RADAR used to study the dynamic nature of Ionosphere which influences radio communication. Broadband delta loop antenna as transmitting antenna of ...
Node-Red Keyestudios Relay Shield KS0212 based antenna sequencer switch @WA4YA. Relay shield is hooked up to 4-way antenna switch. Sequencer works for FT8 at this time (or any other 15s interval mode ...
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