Ham Radio - Get on 630 meters with a bucket variometer! - YouTube
US Amateur Radio Bands: Frequency Charts
472kHz.org
KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
472kHz.org
Lowdown 630-Meter Band Amateur Radio Antenna
Episode 44: A Survey of the 630-meter band for Amateur Radio -
Untitled
The New VK4YB 630m Transverter • AmateurRadio.com
Antenna 630m VK2DX
Antique Radio Forums • View topic - 630 meter (472-479 kHz) Amateur Band
630-meter band - Wikipedia
KL7UW 630m Topics
Revised ARRL Frequency Charts Now Available
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
2200 and 630 Meters
472kHz.org
Hams Map Powerlines for Low Frequency Interference | QRZ Forums
WD8DAS 630-Meter Band Operations
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
630-meter Ham Band | A Ham Radio Band below the AM Broadcast Band - YouTube
630m Transverter
2 More Ham Radio Bands, 630 meter / 2200 meter Amateur Radio - YouTube
630 meter band: i1wqrlinkradio.com
