freq

freq

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• The Beverage Antenna Memorandum - Memorandum on the Beverage Wave Antenna for Reception of Frequencies in the 550 - 1500 Kilocycle Band", FCC Report 9.2.1, by Benjamin Wolf and Adolph Andersen
  [ Hits: 1251 | Votes: 0 | Rating: 0 ]
• Comparison of Beverage antenna - A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands
  [ Hits: 2855 | Votes: 2 | Rating: 6.5 ]

• Thinking about Ideal Loops - Loop antennae have been used from ELF to UHF since the beginning of radiocommunications. At low frequencies, the main problem for loop antennae is to have enough sensitivity; the antenna being very small respect to the wavelength the collected energy is also small. To increase the output level the loop may be made resonant, so loosing it%u2019s intrinsic aperiodic characteristics.
  [ Hits: 2271 | Votes: 6 | Rating: 7.33 ]

• DCI Digital Communications - Band pass filters, for radio frequency interference problems.
  [ Hits: 631 | Votes: 0 | Rating: 0 ]

• Digital Smart Antennas DiSA - Digital Smart antenna (DiSA) Automatically Adjusts over a wide band of frequencies.
  [ Hits: 926 | Votes: 2 | Rating: 5.5 ]

• K2RF Communications Products - K2RF is a manufacturer of radio frequency, audio, and video processing products including repeater link controllers, speech limiters, and RF equipment for the commercial, HAM, and amateur radio consumer.
  [ Hits: 800 | Votes: 0 | Rating: 0 ]

• Recommended frequencies for digital modes - Active digital mode frequency list compiled by Jason Buchanan - N1SU
  [ Hits: 4048 | Votes: 6 | Rating: 4.67 ]

• USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site's coverage area.
  [ Hits: 2008 | Votes: 2 | Rating: 4.5 ]

• Ham Radio Audio and Resources - EchoLink and IRLP Internet Radio Linking Project Node's, Hurricane Watch Audio Feed's and Info, Live Scanner/Other Feed's from the USA, Local Ham Frequencies, Online Receiver's, Shoutcast Live Audio Feed's from the USA, Southern California Frequencies and more
  [ Hits: 1225 | Votes: 1 | Rating: 1 ]

• Melbourne metro scan frequency guide - Police, fire, transport, ambulance and many more frequencies
  [ Hits: 11355 | Votes: 33 | Rating: 5.07 ]
• Sydney Scanner Frequencies - One of the best compilations of frequencies in Sydney particularly SW. Include Police, other emergency people, Marine, the entire aircraft list for Sydney, RAAF squadron frequencies, UHF CB frequencies as well as a heap of miscellaneous frequencies like security, shoppin malls etc.
  [ Hits: 14055 | Votes: 59 | Rating: 6 ]

• Long Beach California Frequencies - A complete list on Long Beach Frequencies. Long Beach Police Penal Codes, and Police 10 Codes
  [ Hits: 2718 | Votes: 9 | Rating: 3 ]

• Radio Nacional de Angola - Provides broadcast times, frequencies and power of the network emissions. Airs mediumwave, FM, shortwave and RealAudio broadcasts
  [ Hits: 702 | Votes: 5 | Rating: 5.2 ]

• BSF Taiwan - Nation Standard Time and Frequency Laboratory Telecommunication Laboratories (TL) ChungHwa Telecom Co. Ltd.
  [ Hits: 1014 | Votes: 1 | Rating: 9 ]

• Africalist - A complete list of Subsaharan Africa Radio Stations broadcasting on Shortwave, frequencies, times, listening experiences
  [ Hits: 1924 | Votes: 4 | Rating: 5.25 ]

• WD6CNF DSP Filter - Audio Digital Filter, two bandpass filters, three notch filters, two noise filters graphical setting of filter center frequency and bandwidth Drag vertical lines on top of signal, Microphone input, speaker output Mono, 5 kHz bandwidth
  [ Hits: 4902 | Votes: 2 | Rating: 10 ]

• RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.
  [ Hits: 1441 | Votes: 1 | Rating: 10 ]

• Open-channel - A CB radio website aimed mainly at the UK market including help, tips, repairs, mic wiring, frequency charts, chat forum,rig doctor listing, mail order shops and much much more
  [ Hits: 4097 | Votes: 4 | Rating: 7 ]

• Coaxial Cable & Power Handling - This calculator can be used to estimate the attenuation (dB loss), power handling capability, and transmission efficiency for some of the more popular Wireless Communications and MIL Spec cables at the frequency of interest
  [ Hits: 1183 | Votes: 8 | Rating: 8.17 ]

• Ferrite on Reducing RFI - Using ferrite to reduce radio frequency interference with your PC monitor or antennas with your receivers or transceivers.
  [ Hits: 2237 | Votes: 0 | Rating: 0 ]

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