pa system

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pa system

225 links - and 1 categories

Antennas : Array
  • 160m-6m Directional Array - Evolution of a Stealth 19 and 22 element directional antenna array system for 160m to 6m
    [ Hits: 2250 | Votes: 9 | Rating: 6.87 ]
Antennas : Theory
  • 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: 419 | Votes: 0 | Rating: 0 ]
Antennas : Theory : Impedance matching
  • Antenna Matching - Antennaa matching basics, matching input impedance, reactance vs. SWR, info on inductive matching and UNUN Matching systems. Capacitive Matching Odds & Ends by K0BG
    [ Hits: 1780 | Votes: 5 | Rating: 7 ]
Ham Radio : ARES RACES Manufacturers : Alternative Power : Solar Panels
  • PeakSolar.com - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more.
    [ Hits: 529 | Votes: 0 | Rating: 0 ]
Manufacturers : Antenna Masts and Mounts
  • 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: 2836 | Votes: 5 | Rating: 3.4 ]
Manufacturers : Antenna Parts
  • HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers
    [ Hits: 719 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF
  • Super Antenna Systems - Super Antenna Systems for HF - VHF - UHF Portable Stealth Mobile Base Backpack EmComm Ham Radio antennas
    [ Hits: 781 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : Military
  • 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 ]
Manufacturers : Broadcasting Equipment
  • Elenos - ELENOS is the leader company for fm transmitters, amplifiers, radio broadcast equipment and custom systems.
    [ Hits: 394 | Votes: 0 | Rating: 0 ]
Manufacturers : Microwave
  • Cobham Microwave - Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.
    [ Hits: 477 | Votes: 0 | Rating: 0 ]
Operating Modes : APRS Operating Modes : Morse code
  • Iambic Keying - Iambic Keying, Debunking the Myth by Marshall G. Emm, N1FN. A keying system controls transmitter activation, ranging from basic switches to electronic keyers that generate Morse code based on paddle input. Iambic keyers, introduced in the late 1950s, respond to simultaneous paddle closures with alternating dots and dashes. Despite touted efficiency, actual benefits are modest, offering about a 5% improvement in keystrokes, diminishing at higher speeds. Iambic keying's practical value is limited and may restrict sending speeds.
    [ Hits: 625 | Votes: 0 | Rating: 0 ]
Operating Modes : Repeaters : USA
  • WP4MXB Repeater - WP4MXB come with lots of information about repaters and aprs systems
    [ Hits: 273 | Votes: 1 | Rating: 10 ]
Operating Modes : WiFi : Long Range WiFi Software : APRS
  • APRSISCE/32 - APRSISCE/32 is an Automatic Packet Reporting System (APRS) program, primarily intended for Windows and Windows Mobile (CE), although it will run on Linux and Mac OS under wine. Offer enhanced messaging, announcement support via ANSRVR, and QRU for object query support, can run as a highly configurable Digipeater
    [ Hits: 3226 | Votes: 8 | Rating: 7.75 ]
Software : Android
  • 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: 3215 | Votes: 2 | Rating: 8.5 ]
Software : RF Coverage Mapping
  • TAP Software - RF Path design software, tower coverage mapping software to evaluate radio transmitter sites, predict and simulate radio coverage, plan land mobile radio or cellular systems. Commercial RF coverage mapping software by Softwright llc.
    [ Hits: 2612 | Votes: 5 | Rating: 6.8 ]
Software : iPhone
  • ACARS Decoder App - ACARS decoder app for the iPad, iPhone, and iPad Touch
    [ Hits: 703 | 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: 1738 | Votes: 2 | Rating: 4.5 ]

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