cat system

cat system

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• QEX Ground System Experiments - N6LF series of experiments on ground systems for vertical antennas. That series of reports was converted, with some modifications, into a series fo seven articles in QEX magazine.
  [ Hits: 791 | Votes: 1 | Rating: 8 ]
• Antenna resonance and bandwidth - About antenna or aerial resonance and bandwidth and the impact of RF antenna resonance and bandwidth on radio communications systems.
  [ Hits: 421 | Votes: 0 | Rating: 0 ]

• Installing Vertical HF Antenna Radials - A ground radial system for the Hustler 5BTV antenna
  [ Hits: 585 | Votes: 1 | Rating: 5 ]

• The Austin QRP Club - The A QRP Club is a small group of Amateur Radio enthusiasts who enjoy building, operating and (mostly) talking about Low Power radio communications, equipment and systems.
  [ Hits: 683 | Votes: 1 | Rating: 10 ]

• Vortex Antenna Systems - Vortex Antenna Systems, radio communication antenna aanufacturer and supplier of antenna related hardware. Ham radio HF and VHF Antennas, antenna parts, mast and mounts.
  [ Hits: 2838 | Votes: 5 | Rating: 3.4 ]

• Radio Structures - Manufacturers and Installers of Masts, Towers, Antenna systems, Trailer Masts, Lattice Masts and Bracketry. Radio, CCTV and lighting masts, tower Refurbishments, safety surveys, mast tower inspections, safe to climb certification
  [ Hits: 753 | Votes: 3 | Rating: 10 ]

• Kathrein Inc - Manufacturer of professional antenna and filter systems for communications and broadcasting, serving commercial and governmental markets worldwide.
  [ Hits: 536 | Votes: 2 | Rating: 5.5 ]

• STAR-H Corporation - STAR-H Corporation specializes in extremely wideband dipoles and compact low-profile antenna systems for military, emergency management, commercial operations and consumer wireless applications.
  [ Hits: 397 | Votes: 2 | Rating: 10 ]

• Amplifier Systems, Inc - Designer and manufacturer of RF amplifiers used in a variety of custom applications in many diverse industries - from Scientific, Medical, Industrial, and Communications and Broadcast.
  [ Hits: 347 | Votes: 0 | Rating: 0 ]

• RSQ Signal Rporting for Digital Modes - This site is devoted to promoting RSQ as an improved signal reporting system for narrow band digital modes and to demonstrating its application to the popular PSK31 mode.
  [ Hits: 711 | Votes: 1 | Rating: 5 ]

• k7ICU Tucson AZ Repeater - The K7ICU repeater system is situated about 500' above metro Tucson, at the base of the Catalina Mountains. It is an open system providing coverage to the greater Tucson area.
  [ Hits: 423 | Votes: 0 | Rating: 0 ]

• Heavens Above - Live realtime satellite tracking system show current status of amateur radio satellites, ISS tracking is also provided by showing ISS Visible Passes based on your own location. This web site show the International space station live position and can be used as an iss tracker app to determine future satellite and ISS transit over your location.
  [ Hits: 2279 | Votes: 7 | Rating: 7.57 ]

• CAT System on MIC socket for Yaesu FT-897 FT-857 - How to redirect the CAT to the MIC socket on the Yaesu FT-897/857
  [ Hits: 2711 | Votes: 8 | Rating: 6.62 ]

• Rad-Comm Systems - Emergency Communication Equipment. Rad-Comm Systems is a veteran owned business and knows how critical your communication needs can be.
  [ Hits: 343 | Votes: 0 | Rating: 0 ]

• HamSatDroid - This software predicts future passes for amateur radio satellites for a specified location and period of time. It runs on the Android operating system
  [ Hits: 3223 | Votes: 2 | Rating: 8.5 ]

• Sound Byte - Sound Byte is a voice keyer for contests as well as general ham radio use. Windows and Mac, commercial by Black Cat Systems
  [ Hits: 1358 | Votes: 2 | Rating: 5.5 ]

• Friis-It NF for iPhone - Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system
  [ Hits: 631 | Votes: 1 | Rating: 10 ]
• ACARS Decoder App - ACARS decoder app for the iPad, iPhone, and iPad Touch
  [ Hits: 705 | Votes: 2 | Rating: 7 ]
• 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: 1744 | Votes: 2 | Rating: 4.5 ]

• TenTec Omni VI AGC modification - Modification leaves nearly all of the existing Omni agc circuitry intact, simply add an audio detector which modifies the delay characteristics of the original system by G3IXQ
  [ Hits: 632 | Votes: 0 | Rating: 0 ]

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