frequency

frequency

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• ZMV Spiral antennas - An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band.
  [ Hits: 3431 | Votes: 8 | Rating: 5.37 ]

• Yagi Antenna Elements Boom Correction - Dragoslav Dobricic, YU1AW antennex article on influence of Boom on frequency performance and how compensate it
  [ Hits: 988 | Votes: 1 | Rating: 2 ]

• Another Approach to Active Antennas - Active antenna with a frequency response that is flat from 5kHz to over 30MHz
  [ Hits: 4431 | Votes: 1 | Rating: 6 ]

• Beacon Station MO 189.5 KHz - This site is dedicated to experimental low frequency operation in the 160 to 190 kHz spectrum. LF beacon MO is no longer active. This page is retained only for reference information.
  [ Hits: 336 | Votes: 0 | Rating: 0 ]

• 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 ]

• Tecom - Tecom industries product line encompasses a wide range of highly sensitive active and passive antennas for use in airborne and ground applications, providing complete coverage of the 20 MHz to 40 GHz frequency range.
  [ Hits: 355 | Votes: 0 | Rating: 0 ]

• Taiyo Yuden - Ceramic capacitors, inductor ferrite products, high frequency dielectric components like chip antenna and filters.
  [ Hits: 260 | Votes: 0 | Rating: 0 ]

• Shortwave Frequency Guide - Frequency list with service name and related comments
  [ Hits: 1449 | Votes: 2 | Rating: 1.5 ]

• Orion II Frequency response - Frequency response graph for the Te-Tec Orion II
  [ Hits: 438 | Votes: 0 | Rating: 0 ]

• FT-450 Mars Mods - Mars Mod for Yaesu FT-450 extending frequency range: 1.8-30 MHz
  [ Hits: 8378 | Votes: 20 | Rating: 4.95 ]

• National Scanner Frequency Guide - List of scanner frequencies used in the US for emergency or inter-agency communications, allocated nationally.
  [ Hits: 936 | Votes: 4 | Rating: 5.25 ]

• RadioComm - RadioComm can be used to program your Icom radio's memory, or to create nice radio-frequency spectra or to interface your radio to a huge database of frequencies.
  [ Hits: 1227 | Votes: 3 | Rating: 10 ]

• SimJT - SimJT is a simulation program. It generates audio-frequency JT65 and CW signals in a background of gaussian white noise, with user-specified signal-to-noise ratio.
  [ Hits: 2777 | Votes: 2 | Rating: 1.5 ]

• VersaBeacon Project - The VersaBeacon is a frequency agile, modulation agile RF source using a DDS chip and minimal support circuitry. It covers a frequency span of 1MHz to 150MHz in 1 Hz steps and provides a variety of modulations
  [ Hits: 584 | Votes: 0 | Rating: 0 ]

• Resonant Frequency Calculator - This web based application will compute circuit values required for an L-C circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.
  [ Hits: 1779 | Votes: 8 | Rating: 5.12 ]

• W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT
  [ Hits: 1083 | Votes: 0 | Rating: 0 ]

• Universal frequency counter & voltage meter - to be used with QRP transceivers
  [ Hits: 1348 | Votes: 1 | Rating: 10 ]
• Connect a frequency counter to MFJ 9406 - Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU
  [ Hits: 1290 | Votes: 2 | Rating: 5.5 ]

• Frequency Locked Loop VFO for HF - A device which joins in a single microprocessor a digital programmable frequency meter and a control logic capable to lock a manually tuned VFO to its actual frequency by IK3OIL
  [ Hits: 1854 | Votes: 4 | Rating: 7.75 ]
• 75 meter AM Transceiver - Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band
  [ Hits: 1190 | Votes: 1 | Rating: 10 ]

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