vhf frequency21 links
Antennas : Log Periodic
- VHF Log Periodic Antenna
- 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
[ Hits: 731 | Votes: 2 | Rating: 4.00 ]
- Azimuth Radiation Patterns
- Below VHF the change in the radiation characteristics of an antenna will change considerably from frequency to frequency, making antenna selection more complicated.
[ Hits: 718 | Votes: 1 | Rating: 10.00 ]
- Quarter Wave with radials
- VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.
[ Hits: 7595 | Votes: 6 | Rating: 7.33 ]
- Collins 618F-1A VHF Aircraft Transceiver
- Restoring a 1965 Collins 618F-1A VHF aircraft radio. This radio was designed for light aircraft as an early frequency-synthesized radio built in 2 separate chassis.
[ Hits: 150 | Votes: 1 | Rating: 10.00 ]
- Italian VHF & up BandPlan
- Italian vhf and up frequency allocations mantained by I5JRR
[ Hits: 1456 | Votes: 5 | Rating: 3.20 ]
- F9HS VHF EME
- My hamradio activity : very high frequency communications using the moon as a passive reflector.
[ Hits: 817 | Votes: 3 | Rating: 6.33 ]
- Monaro NSW / Canberra Live scanner
- VHF/UHF Scan from Monaro NSW and Canberra (ACT). Stream/Feed contains text-tags with frequency, which is displayed in your media-player as title/Meta-data. Recommended that you use Winamp.
[ Hits: 3514 | Votes: 34 | Rating: 5.71 ]
- SSB Electronic USA
- manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[ Hits: 7749 | Votes: 5 | Rating: 7.00 ]
- 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: 4564 | Votes: 1 | Rating: 10.00 ]
- Valcom Fibreglass Whip Antennas
- Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas
Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.
[ Hits: 3179 | Votes: 2 | Rating: 8.00 ]
- Sirio Antenne
- Antenna for GSM, CB, marine, VHF/UHF, HAM and high frequency 1,9/2,4GHz
[ Hits: 9284 | Votes: 23 | Rating: 5.72 ]
- Frequency Counter for VHF/UHF
- DFD4A for bench top test equipment, has a built-in prescaler good to more than 3 GHz.
[ Hits: 431 | Votes: 0 | Rating: 0.00 ]
- Definition of frequency bands
- Definition of radio frequency bands, hf vhf uhf etc.
[ Hits: 1133 | Votes: 1 | Rating: 9.00 ]
- Repeaters in Ecuador
- Frequency, location and coverage of repeaters in Ecuador.
[ Hits: 834 | Votes: 2 | Rating: 5.00 ]
- FM Repeater & Simplex Channel System 70 cm / 2 m / 6 m / 10 m & Offsets
- A very useful table with frequencies for HF VHF UHF repeaters including offsets, steps, grouped by country, with special reference to european band plan.
[ Hits: 140 | Votes: 0 | Rating: 0.00 ]
- Low cost frequency stabilisation
- The Icom IC-746 is quite a popular HF/VHF multimode transceiver which has one shortcoming in its standard configuration when used to operate modes requiring good medium-term frequency stability.
[ Hits: 1590 | Votes: 1 | Rating: 5.00 ]
- U.S. VHF Channells
- US coast guard frequency list
[ Hits: 753 | Votes: 2 | Rating: 5.50 ]
- Lambda Antenna Ltd
- Lambda Antenna has 30 years of history in high frequency antenna industry, based in Japan, produce amateur radio antennas for VHF UHF and microwave bands.
[ Hits: 166 | Votes: 0 | Rating: 0.00 ]
- WSJT High Speed Meteorscatter
- "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."
[ Hits: 1048 | Votes: 8 | Rating: 10.00 ]
- General purpose RF Wideband PreAmp
- General purpose RF Wideband PreAmp based on BSX-20 transistor with a frequency range 14-550 MHz
[ Hits: 2225 | Votes: 2 | Rating: 5.50 ]
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