2 ms·
There is something already like this: http://www.reversebeacon.net/main.php http://www.reversebeacon.net/main.php I use this to see if my antenna is effectivel
by wglb 8y ago
There is something already like this: http://www.reversebeacon.net/main.php http://www.reversebeacon.net/main.php
I use this to see if my antenna is effectively transmitting any kind of signl: http://www.reversebeacon.net/main.php http://www.reversebeacon.net/main.php
The devices, which are spread all over the world, watch the whole cw band.