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The DXZone.com Amateur Radio Internet Guide

Latest articles, reviews and links posted to The DXZone.com, an amateur radio, cb radio, scanning and shortwave radio, reference site

Top Amateur Radio links of the week Issue 1722  Kijk naar?

Batteries For Portable Ham Radio Use, How to build NVIS antenna, Custom QSL Cartoons, Building a 100 Watt 2M Linear Amplifier, VHF FM Power Amplifier, 160m 20w AM transmitter , Icom IC-7700 Power Amplifier Module, Alpha Antenna, IC-7700 as a bench spectrum analyser, Kenwood TM-D710 Memory Database,
(01/01/1970 @ 01:00)
Top Amateur Radio links of the week Issue 1720  Kijk naar?

Building a CobWebb Antenna, Trapped Dipole for 15/20 Meters Bands, Homebrew spectrum analyser, MorsePower, 1 GHz RF Spectrum Analyzer, Reparing a Heathkit SB-101, Nemos Photgraphy - Morse Keys, Parallel Square Conductor Transmission Line Calculator, K7CSW - Saltlake Peaks Amateur Radio Club, Special Call Activity Plan - Amateur Radio Union of Serbia,

... / ... Lees meer...

(01/01/1970 @ 01:00)
Top Amateur Radio links of the week Issue 1719  Kijk naar?

40m Linear-Loaded Dipole, Major World Air Route Areas Frequencies, Use Band Pass Filters to clean up Signals, Transverters-Store, The Next Sunspot Cycle, RTTY Modem for Arduino, 2.5KW VHF Power Amplifier, Analyzing 6 handheld antennas with a VNA, Yaesu G-450XL Rotator Problem, K8ZT Contesting Links
(01/01/1970 @ 01:00)
Top 10 Yagi Antenna projects for 50 MHz Band  Kijk naar?

Take a look at these home made yagi antenna projects for the six meters band, you can build at home.
(01/01/1970 @ 01:00)
Top Amateur Radio links of the week Issue 1718  Kijk naar?

Parallel Circular Conductor Transmission Line Calculator, Shop CB Radio u ARTURSSS, SWL DQR Log, Cleveland Police Dispatch - Live Audio Feed, Repeaters in Ukraine, BVRC - Bella Vista Radio Club,
(01/01/1970 @ 01:00)
Antenna Masts and Mounts  Kijk naar?

Collection of links to Dealers and manufacturers of telescopic antenna masts, pole and antenna mounts. Masts, expecially designed to support antenna for portable, emergency or field day use.
(01/01/1970 @ 01:00)
RV Ham Radio & Camping  Kijk naar?

Ham Radio operators enjoing RVing caravaning and camping
(01/01/1970 @ 01:00)
Harris Platinum Solid State Power Amplifier for 50 or 70 MHz  Kijk naar?

Technical Reference/Amplifiers/VHF Amplifiers
Harris Platinum I Solid State Channel 2, and 3 TV Amplifier Modules for use, on 50 or 70 MHz
(01/01/1970 @ 01:00)
QRO Coaxial Relay for 50 MHz  Kijk naar?

Technical Reference/Coax Cables and Connectors
Build a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
(01/01/1970 @ 01:00)
Programming a Baofeng UV-5R for PMR446  Kijk naar?

Technical Reference/Programming Radio
Nice feature of the Baofeng UV5R family is that they support 6.25kHz tuning steps. That fact makes it possible to dial in the radio to use the exact PMR446 channel frequencies rather than a nearest fit which is the case in many other transceivers.

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(01/01/1970 @ 01:00)
Precision VXO  Kijk naar?

Technical Reference/Test Equipment
The Precision VXO (PVXO) and its matching Crystal Test Fixture (CTF) were created to provide a low cost means of evaluating the characteristics of crystals and a means of measuring their series resonant frequency.

... / ... Lees meer...

(01/01/1970 @ 01:00)
ICOM IC-756 PRO II Review  Kijk naar?

Radio Equipment/HF Transceivers/ICOM IC-756
I give the Now Long Discontinued ICOM IC-756 PRO II (2) a luke warm Thumbs Up for Shortwave Listening use due to it is fair to poor receive audio quality. The matching power supply and speaker fare even less . But as a hybrid DSP set for the Amateur who will be transmitting as well as receiving, the PRO II is a good deal in my view.

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(01/01/1970 @ 01:00)
Tuning with TL-922 Amplifier  Kijk naar?

Radio Equipment/HF Amplifiers/Kenwood TL-922
A forum thread about tuning with the Kenwood TL-922 TL-922A Power amplifier
(01/01/1970 @ 01:00)
Yaesu FT-450D Review  Kijk naar?

Radio Equipment/HF Transceivers/Yaesu FT-450
Nice affordable Transceiver for Amateur use, but understand the caveats. Receiver performance is actually good, however the fair to poor ergonomics, hissy receive audio and fan noise just in receive mode make a sour outcome for SWL use

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(01/01/1970 @ 01:00)
SW30+ 30 Meter CW Transceiver  Kijk naar?

Technical Reference/QRP Projects/QRP CW Transceiver
This 30 meter CW transceiver was built as part of an internet Manhattan-style construction course conceived and taught by my friend Chuck Adams, K7FO back a few years ago. The basic rig is a Small Wonders Lab SW30 (Dave Benson, K1SWL design) with some enhancements,

... / ... Lees meer...

(01/01/1970 @ 01:00)
2N2/30 30m QRP Trasceiver  Kijk naar?

Technical Reference/QRP Projects/QRP CW Transceiver
A 30 Meter, Discrete Component CW Transceiver Built Manhattan-style
(01/01/1970 @ 01:00)
2N2/6 40 to 6 m Transverter  Kijk naar?

Technical Reference/Transverters
This project is a 40 meter to 6 meter CW "no tune" transverter using ten 2N2222 transistors and one 2N2907. The transverter requires 2 watts of drive from a 40 meter cw transceiver and outputs 2 watts on 6 meters.

... / ... Lees meer...

(01/01/1970 @ 01:00)

Laatst import : 27/06/2017 @ 16:26

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