![Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated](https://pbs.twimg.com/media/EL6Wk-8WoAAbZil.jpg)
Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated
![WSPR in an educational Project : Anthony Le Cren, F4GOH : Free Download, Borrow, and Streaming : Internet Archive WSPR in an educational Project : Anthony Le Cren, F4GOH : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/services/img/DCC2019-5-F4GOH.pdf/full/pct:200/0/default.jpg)
WSPR in an educational Project : Anthony Le Cren, F4GOH : Free Download, Borrow, and Streaming : Internet Archive
WSPR in an educational Project : Anthony Le Cren, F4GOH : Free Download, Borrow, and Streaming : Internet Archive
![Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated](https://pbs.twimg.com/media/EMEv6YEXkAAMKqr.jpg)
Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated
![f4goh on Twitter: "#aprs 2 gsm with an #arduino due. Under construction. #hamradio #hamr #hamhub https://t.co/LvrHpE49GP" / Twitter f4goh on Twitter: "#aprs 2 gsm with an #arduino due. Under construction. #hamradio #hamr #hamhub https://t.co/LvrHpE49GP" / Twitter](https://pbs.twimg.com/media/Dl2qoDYW4AAd4nu.jpg:large)