Amateur Radio Manual/Transmission Frequencies

Time beacons
USA: * WWV and WWVH * broadcasts on 2.5, 5, 10, 15, and 20 MHz * Power of 2500W on 2.5 and 20 MHz * Power of 10000W on 5, 10, and 15 MHz

Canada: * CHU * Brodcasts on 3.330, 7.850, and 14.670 MHz * Power of 3000W on 3.330 and 14.670 MHz * Power of 10000W on 7.850 MHZ