For simplicity when testing on the lower frequencies use either CW or QRS, modes all radio amateurs can copy, therefore a bigger audience for reports. Only a few are equipped for data modes, this li
Roger, I am monitoring 137.5kHz WSPR with the 500kHz antenna. Far from perfect, but one never knows. I am reporting to wspr.net and will leave it on for some hours, so whoever wants to give it a try
For simplicity when testing on the lower frequencies use either CW or QRS, modes all radio amateurs can copy, therefore a bigger audience for reports. Only a few are equipped for data modes, this lim