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• Speaker Wire Doublet Antenna - A portable wire antenna for the HF bands, made with a common speaker wire. In its natural form, the speaker wire acts as parallel feed line coming up to the bottom of the PVC feed point. From there, it's split into two wires, one heading out each side of the PVC tee.
  [ Hits: 394 | Votes: 4 | Rating: 9 ]

• Antenna Mast Guying for Amateur Radio Antennas - Article based on ROHN engineering specification that will guide on proper guying heights and guy lengths when guying ham radio antenna masts. It will help you determine ahead of time the proper length of guy wires and the distance from the base of the mast to the anchor points
  [ Hits: 314 | Votes: 3 | Rating: 7.67 ]

• ARLAN Communications - Radiosport headsets & boom-mic headsets for amateur radio
  [ Hits: 430 | Votes: 1 | Rating: 1 ]

• Interactive Maidenhead Grid Square Locator Map  ^updated - Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online. This map allow just a point and click to determine dynamically the correct six characters locator. Other functions allow to calculate the distances among two given locators, or coordinates. Hover over map, specify grid, or enter latitude and longitude to show grid and/or calculate distance. Map is powered by Bing Maps.
  [ Hits: 2664 | Votes: 8 | Rating: 7.12 ]

• World Grid Square Map PDF - This free PDF file contains two Worldwide grid square maps. The first map displays the fields (first two letters of a maidenhead locator) while the second includes also squares (third and fourth digit) and it can be useful to determine what is your ham radio grid square. PDF file can be enlarged and scaled to A3 and higher dimensions.
  [ Hits: 3301 | Votes: 14 | Rating: 7.15 ]

• ICOM IC-7610 review by PD9Z - PD9Z reviews the ICOM new IC-7610 with a list of surprising features he has found on this transceiver. Signal reception performances are one the mosto valuable features found on this high-end RTX by ICOM. Along to his review you can access several other resources related to the IC-7610 including manuals, tips and tricks, videos, and configuration settings to be implemented in order to be used with Heil Sound headsets.
  [ Hits: 227 | Votes: 2 | Rating: 9 ]

• KMRover - KM Rover is a rover logger software for BIG 4 VHF UHF contests and generic, Spring and Fall Sprints, GPS interface, beam heading CW PTT DVK functions. Works on Windows
  [ Hits: 106 | Votes: 1 | Rating: 9 ]

• Google Earth Grid Square Locator - This page host a simple Windows program that will create an overlay for Google Earth that displays the Maidenhead grid. If you only need 4-character locator coverage, you can download an alternative ready-to-use kmz-file.
  [ Hits: 825 | Votes: 6 | Rating: 4.17 ]
• GridLocW Locator converter - GridLocW is a free Lat/Long to Maidenhead converter for Windows - with optional GPS support, includes the formula to calculate geodesic distance (in m) between two points specified by latitude/longitude.
  [ Hits: 212 | Votes: 0 | Rating: 0 ]

• Distance Plotter - You can upload your adif-file It then checks the qso for specified band and if a maidenhead locator is specified. It then builds an array and plot a graph.
  [ Hits: 241 | Votes: 0 | Rating: 0 ]

• HamGPS - Display your current Maidenhead locator with 10 digit precision. It also computes bearing and distance to a set of target locations using locator or latitude / longitude. Useful to align antennas in VHF / UHF / microwave DX activities. No network or fancy maps usage, so it can be used even in remote locations.
  [ Hits: 383 | Votes: 1 | Rating: 7 ]

• HamClock - Ham Radio Desk Clock - Keep track of much more than the time with this Wi-Fi enabled device. HamClock is a desk clock that could show accurate time, geography, time zone, solar activ- ity, sunrise and sunset times, Maiden- head locators, beam heading,
  [ Hits: 3274 | Votes: 11 | Rating: 6 ]

• An Audio Selection Panel in the Shack - On this page, you will find one of my designs; An Audio Selection Panel (ASP). The Audio Selection Panel allows you to control 4 Transceivers and hear the audio through the built-in loudspeaker and on an external boomset (combination Microphone/ headset). On or more transceivers can be selected at a time to transmit and/ or receiv
  [ Hits: 138 | Votes: 2 | Rating: 7.5 ]

• Capacity testing our batteries - How to - How to do a capacity check on your battery pack. Videos demonstrate how to test the capacity of a 4S 10Ah LiFePO4 Headway pack
  [ Hits: 249 | Votes: 1 | Rating: 3 ]
• DIY LiFePO4 Battery power for Amateur Radio portable operations - An interesting article about a homemade LiFePO4 battery pack for ham radio operations, a 10Ah LiFePO4 based on Headway 38120 Cells
  [ Hits: 278 | Votes: 0 | Rating: 0 ]

• KX3 GoBox 2012 - This KX3 go-box weights 1,6 kg including the components and the KX3 with its ATU and filter-option installed (no internal batteries) and a light-weight headset
  [ Hits: 211 | Votes: 3 | Rating: 6 ]

• Bluetooth and VOX Project - A homebrew project about a bluetooth interface to connect a transceiver to an audio headset.
  [ Hits: 320 | Votes: 0 | Rating: 0 ]
• Jabra 9450 / 9460 PRO Wireless Headset for Ham Radio - Interfacing the Jabra 9450 flex wireless headset to the Icom IC 7300 ham radio trasceiver.
  [ Hits: 443 | Votes: 1 | Rating: 1 ]
• Headsets Reviews and Observations - A selection of speakers or headphones for use with amateur radio equipment. Includes an interesting paragraph comparing Dynamic and Electret Condenser Microphones, but also about audio Equalization.
  [ Hits: 527 | Votes: 0 | Rating: 0 ]

• Behringer HA400 Headphone Amplifier and RFI - Removing disturbing RFI from the Behringer HA400 Headphone Amplifier, using ferrites and capacitors soldered in the main circuit board of the small amplifier.
  [ Hits: 121 | Votes: 2 | Rating: 5.5 ]

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