expand frequency

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expand frequency

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Manufacturers : Digital and Packet Radio

  • Coastal ChipWorks - Amateur Radio Products From John Hansen, W2FS, Kenwood D700 Keyboard Interface, Expandable TNC with an Optional, remote controls for ICOM radios, frequency keypads for yaesu and icom radios
    [ Hits: 2951 | Votes: 2 | Rating: 5.5 ]
Propagation : Resources
  • Propagation on 630 Meters and 2200 Meters - This is a theoretical look at propagation on 630-Meters and 2200-Meters using ray tracing software. It expands on the brief discussion in the ARRL Handbooks. The Earth's magnetic field affects 630-Meter and 2200-Meter band propagation. Lower ionization reduces absorption, aiding low-frequency propagation. Differences exist between bands, limited daytime sky-wave propagation. Sunrise/sunset show promise, yet mechanisms are unclear. Ducting possible at night in specific conditions. Negative ions enhance propagation. Inefficient antennas and high man-made noise are anticipated. Groundwave propagation is significant on 2200-Meters.
    [ Hits: 27 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Transceivers : Kenwood TS-690S
  • Kenwood TS690S - Expanding frequency coverage, transceiver Labtest by Christoph Petermann DF9CY
    [ Hits: 3377 | Votes: 35 | Rating: 5.59 ]
Radio Equipment : HF Transceivers : Yaesu FT-991
  • FT991 MARS Mod - This modification will expand the tx frequency range of the Yaesu FT-991 from allowing just ham radio bands, to all bands 1.8 - 30MHz and 50-54 MHz.This information is solely for use by licensed members of MARS (Military Affiliate Radio System) or CAP (Civil Air Patrol)
    [ Hits: 881 | Votes: 5 | Rating: 3 ]
Radio Equipment : VHF-UHF Handhelds : Wouxun KG-UV8D
  • KG-UV8D Freq Limit - Mod software to expand the frequency range to the full authorized range of the radio and not beyond 134-174MHz 400-519MHz, it will not add the 2.5kHz step
    [ Hits: 704 | Votes: 9 | Rating: 7.56 ]
Radio Equipment : VHF-UHF Handhelds : Yaesu VX-5R
  • Modifications for the Yaesu VX-5R - VX-5R Loose antenna cure, Vx-5r Free Band, VX 5 R modification for German, VX-5R expanded frequency mod, VX-5R MARS/CAP & freeband mod
    [ Hits: 3431 | Votes: 2 | Rating: 4 ]
Radio Equipment : VHF-UHF Mobile : Icom IC-2300H Software : Radio Programming
  • KG-UV8D Programming Software - Wouxun KG-UV8D Standard Programming Software. Used to adjust or expand the frequency range to the full authorized range of the radio and not beyond. 134-174MHz 400-519MHz This software will Not add the 2.5kHz step.
    [ Hits: 575 | Votes: 6 | Rating: 9.17 ]
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