630-meter band - Wikipedia
Antenna 630m VK2DX
472kHz.org
630 Meters | W0QL – My Remote Base Journal
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
472kHz.org
Loop Antennas for 630 Meter Transmitting
Hams Map Powerlines for Low Frequency Interference | QRZ Forums
The New VK4YB 630m Transverter • AmateurRadio.com
Antique Radio Forums • View topic - 630 meter (472-479 kHz) Amateur Band
WD8DAS 630-Meter Band Operations
630 meters Ham Radio - Old is New, Again - Making It Up
Untitled
Ham Radio - The 630 meter CW transmitter part 4. It's done and it works! - YouTube
US Amateur Radio Bands: Frequency Charts
New 630-Meter Band Reported “Very Busy”
KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
630 meter band: i1wqrlinkradio.com
630m Transverter
630m Transverter
WD8DAS 630-Meter Band Operations
Getting Started on 630 metres
Build Your Own Low Cost 630m Load/Match - Nashua Area Radio Society
