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frequenc
617 links
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Categories
Operating Modes : Longwave
Operating Aids : Radio Spectrum
Radio Scanning : Regional : Australia
Radio Scanning : Regional : Europe
Radio Scanning : Regional : USA
Radio Scanning : Nature
Radio Scanning : Regional
Technical Reference : Radio Frequency Interference
Software : Low Frequency
Manufacturers : Test Equipment : Frequency Counter
Technical Reference : RF Safety
Technical Reference : Frequency Counter
Ham Radio : Band Plans : Frequency coordination
Site listings
Antennas : Antenna Calculators
- Amateur Vertical Antenna Calculator
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- This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen.
[Hits: 30619 | Votes: 57 | Rate: 5.95] Antennas : Multiband
- Crossed-Wire HF Antenna
- This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH
[Hits: 3460 | Votes: 1 | Rate: 10.00] CB Radio : Personal Pages
- 19 AT 318 Home page
- Radiocodes, Prefix's, IOTA, Frequency's, Hot links and a lot more.
[Hits: 1852 | Votes: 0 | Rate: 0.00] DX Resources : Beacons
- NCDXF/IARU International Beacon Network
- The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons.
[Hits: 1618 | Votes: 8 | Rate: 7.38] - Beacon Transmission Schedule
- This table gives the minute and second within each hour of the start of the first transmission of each of beacon on each frequency
[Hits: 7556 | Votes: 5 | Rate: 7.80] Ham Radio : Resources Manufacturers : Amplifiers
- Angle linear
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- Linear Radio Frequency (RF) products and peripherals for communications
[Hits: 19580 | Votes: 9 | Rate: 8.67] Manufacturers : Antenna Masts and Mounts
- Trivalantene
- Professional antennas in MF, VHF, UHF and SHF frequency range for military applications, civil-professional market, mobile communications, radioamateurs and antennas for special applications - EMC, radiomonitoring, etc.
[Hits: 4005 | Votes: 1 | Rate: 10.00] Manufacturers : Antennas : Military
- Optoelectronics
- DTMF, RF, decoders receivers and accessories icluding computer interface boards, frequency counters, tone decoders, spectrum sweeper and nearfield receivers
[Hits: 3115 | Votes: 4 | Rate: 6.50] Operating Aids : Beginner's Guides
- Radio & Communications
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- Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.
[Hits: 17153 | Votes: 10 | Rate: 3.91] Operating Modes : SSTV
- SSTV Nets
- List of SSTV Net frequencies
[Hits: 1899 | Votes: 0 | Rate: 0.00] Operating Modes : Satellites
- Amateur Satellite FAQ
- Beginner guide to amateur satellite, with tech info about accessories, antennas, and frequencies.
[Hits: 6476 | Votes: 4 | Rate: 7.25] Operating Modes : WEFAX
- The FAX and SSTV Corner
- SSTV Fundamentals, frequencies in use for SSTV and many SSTV related infos, includes Fax basics
[Hits: 2390 | Votes: 5 | Rate: 6.20] Propagation : MUF Indicators
- Near-Realtime MUF indicator
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- This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.
[Hits: 24213 | Votes: 79 | Rate: 7.68] Propagation : Resources Publications : Manuals
- CRB Reasearch Books
- Books about Antennas, manuals, CB Radio, Ham Radio, Scanning, Shortwave, Scanner Modifications & Frequencies, Clandestine Operations and more
[Hits: 4204 | Votes: 4 | Rate: 4.25] Radio Scanning : Beginner's guides
- Scanning Reference
- Informations about Scannings, with frequencies, information about scanning, hardware and software reviews
[Hits: 2656 | Votes: 3 | Rate: 2.67] Radio Scanning : Regional : Europe Shortwave Radio : Clubs
- British DX club
- Information about the BDXC and how to join, including a club-compiled list giving time and frequency details for all English language dx and media programmes
[Hits: 1752 | Votes: 4 | Rate: 8.25] Shortwave Radio : Numbers stations
- Spy Centre
- All about Spy Numbers Stations, which send coded messages to agents. Includes schedules and frequencies of stations.
[Hits: 5861 | Votes: 4 | Rate: 6.00] Software : Databases Software : Navtex
- RadioRaft Multimode radio data decoder software for PC
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- RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.
[Hits: 15593 | Votes: 37 | Rate: 6.14] Software : Propagation Software : Radio Control
- RadioControl
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- 32-bit Windows software to control multiple radios simultaneously. Beside direct control, it also features frequency and memory management and various scan options. Supported radios range from AOR to Icom and WiNRADiO.
[Hits: 24182 | Votes: 57 | Rate: 6.54] Technical Reference : Frequency Counter
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