| Brand | TAPR |
|---|---|
| Compatible Brand | Universal |
| Type | WSPR Board |
Check the listing for details. TAPR HA7DCD RPi 20M WSPR Board. Condition: Used. Listed at 15.00 USD. The primary software used to drive the HA7DCD RPi 20M WSPR board isWsprryPi, an open-source command-line application that manipulates the Raspberry Pi’s internal clock generator to output WSPR RF signals directly from the GPIO pins.