NASASpaceFlight. TDRS-M launch date under review following pre-launch incident; Pioneer 10: first probe to leave the inner solar system & precursor to Juno
ac6v’s guide to ham radio frequencies and general frequency listening quick click iaru region 2 mf/hf band plan – effective jan 1st 2008. amateur band plans and
Operators by Zip Code: Zip Code (3-5 characters) Operator Class Code
Scanner Frequencies Database, Police, Fire, Rescue, Racing Frequencies, Airport, Railroad, Taxi, Amateur Radio, Ham Radio Call Signs.
Amateur radio frequency allocation is done by national telecommunications authorities. Globally, the International Telecommunication Union (ITU) oversees how much
A resource for amateur (ham) radio operators trying to make contact with individuals in every U.S. county. Site describes events, awards, and featured county hunters
Continually updated ham radio propagation frequencies, ionograms, and geomagnetic and solar information
Scanner Frequencies and Radio Frequency Reference for Amateur Radio
CALLING FREQUENCIES HF To 6M — DX, DXpedition, SSB, CW, AM, FM, RTTY, SSTV . Note: By tradition, 20M and up is Upper Sideband, 40M and below is Lower Sideband.