radio frequency

radio frequency

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• Coaxial feeder or RF coax cable - An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another
  [ Hits: 647 | Votes: 3 | Rating: 3.67 ]

• British Columbia Ham Radio Coordination Council - Frequency coordinations on BC Canada
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• UNYREPCO - Upper New York Repeater Council, Inc, support the frequency coordination needs of the Amateur Radio repeaters operating in its area
  [ Hits: 224 | Votes: 0 | Rating: 0 ]
• The Arkansas Repeater Council - recognized Amateur Radio Frequency Coordinating entity for the State of Arkansas.
  [ Hits: 213 | Votes: 0 | Rating: 0 ]
• NFCC - The National Frequency Coordinator\'s Council (NFCC) is an organization comprised of and representing amateur radio frequency coordinators of the United States.
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• Illinois Repeater Association - The Recognized Amateur Radio Frequency Coordination Organization In The State of Illinois
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• KD5SDJ Indian Territory Amateur Radio Society - small but dedicated group of radio operators who primarily operate on a simplex on a frequency of 147.435
  [ Hits: 323 | Votes: 0 | Rating: 0 ]

• Resonant Frequency - Resonant Frequency: The amateur radio podcast was created to help get information on amateur radio out to the new ham and the ham that wants to find out about different aspects of the hobby they are thinking about trying out.
  [ Hits: 1453 | Votes: 10 | Rating: 7.5 ]

• TCI International - US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.
  [ Hits: 559 | Votes: 0 | Rating: 0 ]

• LF antennas - Welcome to our line of Low Frequency, Natural Radio Research, Broadcast, Marine and Shortwave products. Our evolving product line is the result of our dedicated research efforts primarily in the areas of LF, VLF, MF, and HF.
  [ Hits: 311 | Votes: 0 | Rating: 0 ]

• Wavelab - Multi-frequency radio interferometers
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• How Satellite Doppler Tracking Works - The Doppler Effect allows the distance between a satellite transmitting from space and a radio receiver on the ground to be measured by observing how the frequency received from the satellite transmitter changes as the satellite approaches, passes overhead, and moves away.
  [ Hits: 424 | Votes: 3 | Rating: 4.67 ]

• Small Antennas for High Frequencies - This is about Small Antenna types and their properties which can help choosing proper antenna for high-frequency wireless communications as: two-way radio, microwave short links, repeaters, radio beacons or wireless telemetry
  [ Hits: 723 | Votes: 2 | Rating: 6 ]

• Hagerty Radio Company - Offer a Direct Digital VFO Kits (variable-frequency oscillator) using the Analog Devices AD9951 by WA1FFL
  [ Hits: 371 | Votes: 1 | Rating: 8 ]

• DroidSSTV - DroidSSTV lets you transmit and receive amateur radio (ham radio) slow scan TV (SSTV) on your Android Smartphone or Android tablet. This communications app is a great tool for portable amateur radio SSTV operation. Just connect your Android phone or tablet to an HF radio, tune on to an SSTV frequency, and watch the pictures scroll onto the screen. DroidSSTV supports the modes Scottie 1, Scottie 2, Scottie DX, Martin 1, and Martin 2 at this time.
  [ Hits: 698 | Votes: 6 | Rating: 9.17 ]

• JT65-HF by W6CQZ - Download JT65-HF Amateur Radio software for reception/transmission of JT65A protocol with an emphasis upon its usage in the High Frequency Amateur Bands. This is the W6CQZ version not developed anymore.
  [ Hits: 10393 | Votes: 23 | Rating: 6.49 ]

• iPad iPhone HF Weather Fax Decoder App - HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.
  [ Hits: 1743 | Votes: 2 | Rating: 4.5 ]

• DTMF in amateur radio - About usage of DTMF Dual Tone Multi Frequency in ham radio applications
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• Low cost frequency counter - Low cost multifunctional seven digit LCD frequency counter, for your HAM radio shack
  [ Hits: 2255 | Votes: 4 | Rating: 6.5 ]
• The BBRC Frequency Counter - The Burnham Beaches Radio Club frequency counter is a PIC micro controller based frequency counter with LCD readout. It can be used stand alone or the in built offsets allow integration into a receiver
  [ Hits: 857 | Votes: 0 | Rating: 0 ]

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