630-meter band - Wikipedia
Antenna 630m VK2DX
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FCC Opens 630/2200 Meters Amateur Band; Pre-Registration Required!
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Dual 6V6 QRP Transmitter/Regenerative Receiver 630/160/80/40 Meter Bands | eBay
Getting Started on 630 metres
Ham Radio - Get on 630 meters with a bucket variometer! - YouTube
A Portable QRP CW Amateur Transceiver for 475 KHZ 630 Meter - Etsy
US Amateur Radio Bands: Frequency Charts
Lowdown 630-Meter Band Amateur Radio Antenna
The 630M/2200M Antenna Recipe
AC1CP Amateur Radio Band Plan
630m Transverter
500 kHz - Wikipedia
Marconi Antenna for LF/MF
Antique Radio Forums • View topic - 630 meter (472-479 kHz) Amateur Band
Lowdown 630 Meter Amateur Radio Antenna - 630.PD | eBay
The new 630 meter band is now a reality
