pa system

pa system

Pages: [prev] 1 2 3 4 5 6 7 8 9 10 11 12 [next]

• Hex Array - 80/40 Meter Vertical - This page describes a homebrew 80/40 meter trap vertical antenna. Includes an interesting antenna raising system that allow easy setup and tuning.
  [ Hits: 7625 | Votes: 2 | Rating: 5 ]

• Antenna Gain Comparison System - This device goal is to optimize homebrew antenna for the V/UHF band. This tool, is based itself on the simultaneously comparison between two antenna, directly in dB. by IK0BDO
  [ Hits: 2212 | Votes: 12 | Rating: 5.58 ]

• Logbook of the World - LoTW - ARRL's Logbook of the World (LoTW) system is a repository of log records submitted by users from around the world. When both participants in a QSO submit matching QSO records to LoTW, the result is a QSL that can be used for ARRL award credit.
  [ Hits: 1350 | Votes: 7 | Rating: 6.85 ]

• Calnet Repeater Group - Calnet a multi repeater amateur radio system serving most of California and parts of Nevada. The Calnet system consists of numerous fulltime linked 440 MHz repeaters connecting San Diego to San Francisco and Lake Tahoe.
  [ Hits: 1312 | Votes: 2 | Rating: 7.5 ]

• Las Vegas Metro Police Department 24/7 Scanner  ^pop - Las Vegas, NV Police scanner. It is 24/7 and live. LVMPD has changedradio systems to a fully encrypted system. Live streaming is offline
  [ Hits: 84251 | Votes: 491 | Rating: 9.36 ]

• Peet Bros Company - Manufacturer of advanced electronic systems to measure such weather data as: wind speed, wind direction, wind chill, pressure, humidity, rainfall, and dew point.
  [ Hits: 635 | Votes: 2 | Rating: 10 ]

• Sunlight Energy Systems - Sunlight Energy Systems provides charge solar controllers and power supply products for amateur radio applications and solar panels usage
  [ Hits: 2015 | Votes: 2 | Rating: 10 ]

• SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
  [ Hits: 8406 | Votes: 8 | Rating: 6.12 ]

• Radio Frequency Systems - RFS is a global designer and manufacturer of cable and antenna systems plus active and passive RF conditioning modules, providing total-package solutions for wireless infrastructure.
  [ Hits: 483 | Votes: 1 | Rating: 10 ]

• DEHN, Inc. Surge & Lightning Protection - Offering transient voltage surge suppressor, TVSS, patch cables, surge arresters, surge protectors for lightning and power surge protection for electrical equipment, IT networks, communication systems, data lines, relay systems and solid state controllers.
  [ Hits: 718 | Votes: 3 | Rating: 6 ]

• Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator
  [ Hits: 993 | Votes: 2 | Rating: 10 ]

• K6MVR MVRC Radio Club - The Mt.Vaca Radio Club (Call sign K6MVR ) owns and operates repeater systems in and around Sacramento, California. The systems provide reliable coverage for mobile stations throughout the Sacramento Valley region and beyond to Modesto, Chico, the Sierras, and parts of the Bay Area.
  [ Hits: 1061 | Votes: 1 | Rating: 10 ]

• IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America
  [ Hits: 4956 | Votes: 17 | Rating: 5.83 ]

• NDB Weblog - Many NDB radio enthusiasts publish their reception logs on the web. A completely separate system designed for individual listeners to make their own logs and obtain statistics on NDBs, DGPS and now Navtex Stations they have received. Log listings can be exported in a multitude of formats and then emailed to the NDB List
  [ Hits: 1454 | Votes: 3 | Rating: 9.67 ]

• Meter Mate - SWR Graph Software - Meter Mate is a companion utility for your directional watt meter that allows you to calculate the SWR reading when the forward and reflected power readings are measured. In addition to calculating the antenna system SWR Meter Mate will also plot the SWR curves of all of your antennas onto graphs that may be printed out.
  [ Hits: 1919 | Votes: 12 | Rating: 4.91 ]

• VT100/ANSI terminal and Telnet client - Online is a VT100/ANSI terminal emulator and Telnet client for Palm OS organizers. Connect to Unix systems, configure routers and reprogram embedded computers.
  [ Hits: 1083 | Votes: 4 | Rating: 4.25 ]

• DXSpider - DX Cluster - DXSpider is a clone of PacketCluster software that runs under several operating systems including Linux and Windows compatible with the AK1A program
  [ Hits: 3023 | Votes: 7 | Rating: 8.14 ]
• CLX Packet Cluster - CLX is a clone of AK1A PacketCluster that runs under the Linux operating system. Freeware packet cluster server software
  [ Hits: 921 | Votes: 1 | Rating: 10 ]

• OpenBCM - The BayCom-Mailbox is an amateur radio/citizen band AX.25 Bulletin Board System with AX.25 store and forward capabilities. The software is available for Linux, DOS and Win-NT. OpenBCM is opensource and freeware.
  [ Hits: 1500 | Votes: 1 | Rating: 5 ]

• Build a simple rechargeable CMOS Battery - An inexpensive rechargeable CMOS battery system that can be built from readily available parts.
  [ Hits: 880 | Votes: 4 | Rating: 5.75 ]

Pages: [prev] 1 2 3 4 5 6 7 8 9 10 11 12 [next]