range

range

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• 7 MHz Dipole at VK1ZKD - This article documents an unobtrusive antenna for operation on 7MHz, primarily for contacts with stations at up to 1000Km range.
  [ Hits: 3515 | Votes: 0 | Rating: 0 ]

• Les baluns - About different baluns types. Samples and schematics for several ratios baluns in french
  [ Hits: 1667 | Votes: 0 | Rating: 0 ]

• Multidipole Antenna - This antenna is a group o dipoles, is a multiband and each dipole works on single band.
  [ Hits: 2480 | Votes: 1 | Rating: 1 ]
• Half-Square antennas - This doubet antenna is a half wave dipole antenna easy to build, in french
  [ Hits: 2939 | Votes: 2 | Rating: 1 ]

• Log Periodic of Another Sort - A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range
  [ Hits: 4819 | Votes: 2 | Rating: 9 ]

• Build an antenna for 23 cm band - Building an omnidirectionnal antenna for the 23 cm band, 1240 - 1270 Mhz
  [ Hits: 1586 | Votes: 4 | Rating: 6.5 ]

• Uni-Directional WIFI Range Extender - Requires no modifications to a USB WIFI adaptor or your computer.
  [ Hits: 4810 | Votes: 1 | Rating: 10 ]

• F8JZR Morse keys collection - Telegraphy collection, telegraph, sounder, relay by F8JZR in french
  [ Hits: 620 | Votes: 17 | Rating: 8.53 ]

• F5RRS Gallery - QSL collection from F5RRS
  [ Hits: 583 | Votes: 4 | Rating: 6.5 ]

• Midland GXT-900 Review - Midland GXT-900 FRS/GMRS 30-Mile Range Two-Way Radio product review
  [ Hits: 2794 | Votes: 3 | Rating: 5.33 ]

• MicroHAMS - Microhams is a dynamic organization of hams in the Puget Sound area. The club includes a broad range of people from our local tech industry who participate in just about every aspect of our hobby.
  [ Hits: 750 | Votes: 0 | Rating: 0 ]

• Latchways - fall protection systems - Latchways are the world leaders in fall protection and the manufacturers of the mansafe range of products for working at height.
  [ Hits: 631 | Votes: 0 | Rating: 0 ]

• A D-ATV transmitter project - Build this simple and cheap 70 MHz Exciter and start to transmit Digital Television by Jean-Francois Fourcadier
  [ Hits: 2569 | Votes: 1 | Rating: 8 ]

• The KA7OEI FT-817 pages - FT-817 Radio Modifications, Improving the FT-817 Noise Blanker, increasing output power, using rechargeable cells, epanding frequency range
  [ Hits: 985 | Votes: 0 | Rating: 0 ]

• LAM Communications - Icom Kenwood Yaesu MyDel dealer, offer a wide range of ham radio products, transceivers, antennas, rotators, microphonrs, aerials, dummy loads, rf amplifiers and scanners based in UK
  [ Hits: 1347 | Votes: 2 | Rating: 7 ]

• Classic International - Ham Radio Shop from the netherlands offer a wide range of ham radio related products of major brands.
  [ Hits: 3927 | Votes: 2 | Rating: 6 ]

• The Shortwave Shop - Provide for the short wave listener, amateurs, local commercial community and business with a wide range of radio based services and products. Icom dealer
  [ Hits: 619 | Votes: 0 | Rating: 0 ]

• TNC - The Packet Terminal Driver program is a general purpose communications package for communicating with a packet TNC attached to your IBM-PC/clone. The program was written to work with the Kantronics range of TNC's but should work with any TNC that is connected to a serial port on your computer.
  [ Hits: 3956 | Votes: 1 | Rating: 1 ]

• Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.
  [ Hits: 11316 | Votes: 9 | Rating: 7.77 ]

• Pixie 3 - 80 m QRP transceiver - A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ
  [ Hits: 4051 | Votes: 11 | Rating: 6 ]

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