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- Antennas > 40M > 40 meter Magnetic Loop Antennas
- DX Resources > Nets > Emergency Nets
- Internet and Radio
- Operating Modes > Internet Linking
- Shopping and Services > Internet services
- Manufacturers > Antennas > HF > Magnetic Loop
- Internet and Radio > Social Networks
- Technical Reference > Vector Network Analyzer
- Software > Vector Network Analyzer
- Software > Internet Linking
- Antennas > Magnetic Loop
- DX Resources > Nets
- Operating Aids > Phonetics and codes
- DX Resources > Beacons > 10 GHz Beacons
- Operating Modes > Internet Linking > AllStarLink
- Operating Modes > Internet Linking > EchoLink
- Operating Modes > Internet Linking > IRLP
- Antennas > WiFi
- Technical Reference > WiFi
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A 5 elements homemade DK7ZB yagi antenna for 4 meters band based on a 50MHz TONNA -
This project hereby presented is a complete HAM radio simplex 'smart' repeater, built around a Motorola GM-350/950, Arduino NANO board and a WINBOND audio recording integrated circuit -
Club activities, news and newsletter Ham Chatter Online features a member each month. Field Day pictures, etc. Home of VOA transmitter sites. Club calls, W4AMC & W1VOA Greenville, NC -
Understanding Baluns. This article explores some simple antenna system configurations and the effect of key system components, connections and dimensions on feed line common mode current. -
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Open-Source Software Implementation of a DRM (Digital Radio Mondiale) Receiver. Dream runs on virtually any pc and requires a receiver front-end to work as a real radio. -
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The purpose of this article is to describe in detail the Morse code keys made by the Brown Brothers Machine Company (BBMC), to aid the serious key collector in identifying each model made by this fine company. -
About ham radio hobby with hundreds of related links -
N6GN's higher speed packet page for amateur radio digital networks -
A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator -
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Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT -
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EchoMac is a program for MacOS X users that permit access to the Echolink system -
Squirl field day logger - a no-frills, easy to use software logger designed for field day logging operation. by KC8OPV -
Homepage of Hong Kong's elite group of DX'ers -
A DIY guide to build your own compact multiband HF antenna based on the G3TXQ version using a 1:4 balun. This article includes the full part list and instructions to assembly, including the center plate. -
Reduces line noise on TS-850 -
Allows you to automaticaly upload ARGO screen captures to your webpage in a convenient way. by ON7YD -
County Hunting is one of many amateur radio activities. There are over a thousand hams who have worked all of the US counties. Some have done it several times -
This is a simple portable 2-meter J-Pole antenna. You start with a piece of 450-Ohm Ladder Line -
This Duoband-Yagi has a boom of 3.60 m and 3 elements for 10 m 4 elements for 6 m and one feedpoint with 50 Ohm -
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This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band -
Links and sources of information about our club in Ventura County, California -
The Smith Chart program with its extensive Help files. Written in Visual C++ ver 1.5, it runs in Windows 3.1 and later by w9dmk -
Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation. -
Pictures and description for a perfect soldering.A tutorial on soldering technique includes videos. -
VHF, ms, aurora, es, photos, audio, link, soft and more. -
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conversion of low band VHF AWA RT-85 transceiver down to 6 metres. -
Cannot record CW message, AFSK not working, tracking not working, meter peak hold, on Yaesu FT-920. -
Manufacturer & distributor of Vacuum tubes and vacuum capacitors. -
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PVRA Repeater Club has repeaters throughout Connecticut. -
A lightweight portable vertical antenna for 40m -
Using patch antenna for amateur radio reception of the 13cm band with a sample 2.4 GHz LHCP patch antenna by K3TZ -
A homemade 10 element Yagi Beam Antenna for 50 Mhz by Rod Mackintosh, a NBS Yagi on a 13.2 metre boom. -
Construction and analysis of a low cost omnidirectional horizontally polarized antenna for 144 MHz, including notes on halo antenna stacking -
This article contains notes on installation of a Roger Beep for an Icom IC7000 transceiver for use with a Heilsound Traveller headset. -
This free program calculates the location of any locator. It calaculates the distance, azimuth, longitude and latitude between two Maidenhead locators. Converts longitude/latitude coordinates to Maidenhead locator Converts Maidenhead locator to longitude/latitude coordinates -
A monster magnetic loop antenna for 160 meters band. This Magnetic loop is optimized for 1840 Khz + 50 Khz. PDF Article published on La Radiospecola 10.22 -
Here is a well documented plan of a 20m-10m compact magnetic loop antenna. Article includes lots of pictures and technical details published by KP4MD -
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Radio scanning resource site for scanning enthusiasts in the new jersey and new york area. -
An online javascript calculator for cubical quad antennas, simply input the resonating frequency to calculcate up to a five element quad antenna. This quad antenna calculator let you determine the total length of each element and spacing among elements.