Adam Sampson's wspr bookmarkshttps://bookmarks.offog.org/ats/wsprAdam Sampson2016-03-19T17:49:52ZJamesP6000/WsprryPi: Raspberry Pi WSPR transmitter using NTP based frequency calibrationhttps://bookmarks.offog.org/edit?url=https%3A%2F%2Fgithub.com%2FJamesP6000%2FWsprryPi2016-03-19T17:49:52Z"Raspberry Pi WSPR transmitter using NTP based frequency calibration."threeme3/WsprryPi · GitHubhttps://bookmarks.offog.org/edit?url=https%3A%2F%2Fgithub.com%2Fthreeme3%2FWsprryPi2013-03-24T21:00:34ZWSPR beacon done in software using a GPIO pin on the Raspberry Pi.DanAnkers/WsprryPi · GitHubhttps://bookmarks.offog.org/edit?url=https%3A%2F%2Fgithub.com%2FDanAnkers%2FWsprryPi2013-03-19T12:05:49ZWSPR beacon using a Raspberry Pi's GPIOs.