630 meter band: i1wqrlinkradio.com
Hams Map Powerlines for Low Frequency Interference | QRZ Forums
630-meter Ham Band | A Ham Radio Band below the AM Broadcast Band - YouTube
WD8DAS 630-Meter Band Operations
Ham Radio - Get on 630 meters with a bucket variometer! - YouTube
Antique Radio Forums • View topic - 630 meter (472-479 kHz) Amateur Band
US Amateur Radio Bands: Frequency Charts
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
A Portable QRP CW Amateur Transceiver for 475 KHZ 630 Meter - Etsy Canada
Amateur Radio Activiy on the 630 meter band (Medium Frequency)
2 More Ham Radio Bands, 630 meter / 2200 meter Amateur Radio - YouTube
KA7OEI's blog: KA7OEI now QRV on 630 and 2200 meters
2200 and 630 Meters
KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
Getting Started on 630 metres
Lowdown 630-Meter Band Amateur Radio Antenna
Casella CEL 630.A Type 2 Ultra Wide Octave Band Sound Level Meter Kit
Getting Started on 630 metres
Ham Radio - My 630 meter magloop. An overview - YouTube
630m Transverter
OCTOBER CLUB HAPPENINGS
New 630-Meter Band Reported “Very Busy”
KA7OEI's blog: A transmit converter (and amplifier) for 630 and 2200 meters
Dual 6V6 QRP Transmitter/Regenerative Receiver 630/160/80/40 Meter Bands | eBay
Ham Radio - The 630 meter CW transmitter part 4. It's done and it works! - YouTube
