472kHz Transverter, G3XBM | | |  |
A designed antenna 630m radiator, VA7SL | | |  |
Amateur Radio on 630 metres | | |  |
A simple arduino controlled 630 meter CW, KB9RLW | | |  |
DIY Projects for 630 Meters, WB4JWM | | |  |
Loop antennas for 630 meter transmitting, W1TAG | | |  |
630m Band 472 to 479kHz Transverter | | |  |
630 meter antenna Limited edition, PA3ABK | | |  |
630 Meter Project, W9XT | | |  |
630 meter transmitter, AE2EA | | |  |
630 Meter Vertical Antenna | | |  |
630m Transmitting Antenna, N6LF | | |  |
630 meter class D Power Amp, K5DNL | | |  |