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The circuit described below will substantially reduce or completely eliminate interference from almost any local source whilst leaving the wanted signal relatively unaffected, even though it may be on the same frequencey by TREVOR, G3ZYY

6k5ryf Homepage...

Ed Kelly VP9GE Bermuda Vacation

This Spectrum Analyzer supposes to be a cheap and a useful device for any ham radio by Iulian Rosu, YO3DAC / VA3IUL

Conversion, programming, and software notes for the AWA RT85A UHF transceiver for 70cm

ON6MU 4 A power supply using a BDX33

You can make your own 2-meter "rubber duckies" that will likely perform much better than many commercial units.

The 9A3MR contest QTH rental provides a fully equipped amateur radio station for DXpeditions or radio holidays on Murter Island, Croatia. The station features a Drake TR7 transceiver and a 16-meter tower with a rotator, suitable for various HF operations. Accommodations include a four-room apartment and a studio apartment, both within 200 meters of the beach, offering amenities like parking and a barbeque area. This QTH is located in Jezera, a fishing village with local stores and restaurants within a five-minute walk. While Murter Island itself does not qualify for IOTA due to a bridge connection, the Kornati Islands National Park (IOTA EU-170) is only 10 nautical miles away, with daily tourist tours available. The Krka National Park is also accessible by car, approximately 25 km distant, providing additional recreational opportunities.

Minimal interface circuits for receiver and transmitter audio, also for PSK31

6m (50Mhz) Long wire antenna There is another form of long wire antenna which provides uni-directional coverage and is easy to build. Description by Arnie Coro CO2KK

PTT and soundcard interface schematic by ON6MU

This article describes the antenna for Low Frequency Beacon. It originally appeared in the "Lowdown" for Oct. 1999.

Shortened vertical antenna for 40 meters band an homebrew project

Class C tuned VHF power amplifier for the 6-meter band by ON6MU

A well documented article about construction and analysis of a horizontally polarized halo antenna for 6 meters band by Dr. Carol F. Milazzo, KP4MD

A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters

A 40/80 meters dipole made with two loading coils based on a project by IK1ZOY

Tips and tricks on homebrewing your own Coax traps by ON7EQ

Although a magnetic loop antenna(aka small loop antenna) is very compact, its efficiency is close to a half-wavelength dipole if carefully built.

Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies

Up to date log for 9K2HN & 9K9X (contest call)

4 elements Yagi antenna for 28 MHz

A QRP transceiver for 80 meters band by W1FB

The GI-7B (GI-70B) microwave triode

A page dedicated to antenna coil home brewing and coil design by VE6WZ

Feld hell freeware windows program that permits RTX hellschriber operations by PA3BQS

QSL gallery offered by BCL news

7N3WVM homebrew project of a 3 W output CW transceiver on 7 MHz band

Beaconmap is a Win95/98/NT program to help listeners to identify the beacon stations of the NCDXF/IARU beacon network. The program displays a flashing dot at the location of the beacon that is currently transmitting. The call sign of the beacon, as well as the QTH is shown in the status bar. By PA1ARE

QSL Cards from ALL 338 DXCC Entities, deleted countries QSL Cards, other interesting cards

A live police broadcast for the Detroit area police department. Michigan Public Safety Communications System (mpscs)

HB9MTN Capacitive antennas for 40m, 30m AND 20m

A circuit which had been used in many other application before. The configuration described here is optimized for IPHONE/radio operation.

2E1EHM web site with a collection of pictures. You can download from this site to add to your SSTV picture library.

At the moment the most used program is UA1AAF. It is an excellent program written by Boris, UA1AAF, to handle ARI International DX Contest. It can simulate K1EA or N6TR workings; it will be possible to connect the RTX to the computer using a standard interface in such a way as to transmit directly in CW from the keyboard; most of the controls are like K1EA's CT and N6TR's TR ; on line help provides almost all the information necessary for using the program. Is possible to insert QSO after the contest. An appropriate utility in included for conversion in ADIF format. The program is very small and therefore works without any problems on any IBM compatible computer with DOS 3.3 and over or Windows 95/98.

Annual Cherryville Repeater Association Hamfest, North Hunterdon Regional H.S., Route 31 South, Clintion Twp USA

Magnetic Loop antenna for broadcasts band reception

DIY a Wi-FI Helical Antenna for better performances, a project by PA0HOO i Dutch end English

Alford slot antenna for 1.3 GHz to 2.3 GHz.

The utility "NEC-2 for MMANA" is intended for calculation of antenna models made and optimized in program MMANA and for construction and simulation of antenna models using input language NEC-2 and based on MMANA models.

Simple circuit, with a simple push, transmit a memorized Cw messages

This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.

Repeaters available in or near Ridgecrest California, Amateur Radio License Examination Schedules

10 Meter Beacon, 28.288 mhz Hurricane Uta USA

The Quadlong antenna for the six meter band. This antenna feature a total gain of 6,4 dBd, F/B 21 dB and is also available in 70MHz version. Includes detailed pictures and plot diagrams.

Complete and updated IARU QSL bureaus addresses

There is not a personal design on this page, just I've transfered useful notes from PHILIPS RF Bipolar Transistors - Data HandBook about BLY89C VHF Power transistor, which is very popular among Amateur Radio homebrewers

A 4 elements handitenna for 70 cm band. This is my version of the K5OE Handitenna. This one is a four Element instead of three, as I had less of a crunch on space than he did. The 1st three elements (Reflector, Driven Element, and Director 1) are the same dimensions as his were.

How to identify correct version of your TS-570

RF Power Meter using for reading a standard Digital Voltmeter by Iulian Rosu, YO3DAC / VA3IUL