KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
A Portable QRP CW Amateur Transceiver for 475 KHZ 630 Meter - Etsy Canada
Casella CEL 630.A Type 2 Ultra Wide Octave Band Sound Level Meter Kit
WD8DAS 630-Meter Band Operations
630 meters Ham Radio - Old is New, Again - Making It Up
KA7OEI's blog: KA7OEI now QRV on 630 and 2200 meters
The New VK4YB 630m Transverter • AmateurRadio.com
2200 and 630 Meters
Dual 6V6 QRP Transmitter/Regenerative Receiver 630/160/80/40 Meter Bands | eBay
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
472kHz.org
OCTOBER CLUB HAPPENINGS
630-meter band - Wikipedia
2200 and 630 Meters
630 meter band: i1wqrlinkradio.com
Getting Started on 630 metres
Antenna 630m VK2DX
The 630 - Meter Band: Is it Practical for Amateur Use? on Vimeo
Lowdown 630-Meter Band Amateur Radio Antenna
Getting Started on 630 metres
472kHz.org
630m Transverter
Hams Map Powerlines for Low Frequency Interference | QRZ Forums
US Amateur Radio Bands: Frequency Charts
