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
Yaesu FTM-300D 
Yaesu FTM-300D new 144/430 MHz Dual Band C4FM Digital/Analog FM Mobile Transceiver GPS C4FM Dual RX WIRESX Node
(01/01/1970 @ 01:00)
CQ WW WPX SSB Contest 2020
The WPX Contest is based on an award offered by CQ Magazine for working all prefixes. Held on the last weekend of March (SSB), the contest draws thousands of entries from around the world.
(01/01/1970 @ 01:00)
Top Amateur Radio Websites - Issue 2007
Home Made Artificial Ground Tuner , ZR6KMD 20m Field Dipole, ZS6KMD 20-40m Multiband Dipole, 70cm Mini-Transverter Project, Measuring SWR at 1296 MHz, Car Power Adapter to Anderson PowerPole, TU5PCT Ivory Coast 2020,
(01/01/1970 @ 01:00)
Grid Square Locator System
The Grid Square Locator, also known as the Maidenhead Locator System, is a geographical co-ordinate method based on a 6-digit code, widely used by amateur radio operators to determine a rough position on the Earth.
(01/01/1970 @ 01:00)
Top Amateur Radio Websites - Issue 2006
How to stack dissimilar yagi antennas, Top Loaded Vertical Antenna for 80 Meters Band, Modifications to the Diamond V2000 and similar antennas , TyQSL - Online Logbook, HackRF, DVMEGA, bladeRF, E44CC Online Log
(01/01/1970 @ 01:00)
ICOM IC-R20
IC-R20 by Icom. Wideband Receiver Professional radioreceiver, allow double receiver, from HF to Microwave, digital recorde, DTCS, Memories and 11 hours countinuous reception.
(01/01/1970 @ 01:00)
137MHz Quadrifilar Antenna
Antennas/Quadrifilar HelixThis version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey Taming the QFH which appeared in the March 1997 RIG magazine. This article contains detailed 3D pictures and models and detailed pictures.
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137MHz Quadrifilar Antenna
Antennas/Quadrifilar HelixThis version of the 137MHz quadrifilar antenna for APT reception is an adaptation from Bill Sykes and Bob Cobey Taming the QFH which appeared in the March 1997 RIG magazine. This article contains detailed 3D pictures and models and detailed pictures.
(01/01/1970 @ 01:00)
(01/01/1970 @ 01:00)
Helical Antennas -Theory
Antennas/HelicalHelical antenna or helix antenna is the antenna in which the conducting wire is wound in helical shape and connected to the ground plate with a feeder line. It is the simplest antenna, which provides circularly polarized waves.
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Helical Antennas -Theory
Antennas/HelicalHelical antenna or helix antenna is the antenna in which the conducting wire is wound in helical shape and connected to the ground plate with a feeder line. It is the simplest antenna, which provides circularly polarized waves.
(01/01/1970 @ 01:00)
Taming the Quadrifilar Helical Antenna
Antennas/Quadrifilar HelixThe Quadrifilar Helical antenna provides circular polarization and complete hemispherical reception, which is precisely what is needed to receive the polar orbiting weather satellites, and as a 2 meter antenna it will receive horizontal, vertical and clockwise circular polarization.
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Taming the Quadrifilar Helical Antenna
Antennas/Quadrifilar HelixThe Quadrifilar Helical antenna provides circular polarization and complete hemispherical reception, which is precisely what is needed to receive the polar orbiting weather satellites, and as a 2 meter antenna it will receive horizontal, vertical and clockwise circular polarization.
(01/01/1970 @ 01:00)
Online Morse Code Training
Software/Morse Code TrainingLearn Morse Online in 40 lessons with this web based morse code learning program, based on the Koch method. Choose the lesson, adjust the wanted parameters, and start the transmission of a set of random characters based on chosen lesson. Recognize the code and verify it at the end of the lesson.
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Online Morse Code Training
Software/Morse Code TrainingLearn Morse Online in 40 lessons with this web based morse code learning program, based on the Koch method. Choose the lesson, adjust the wanted parameters, and start the transmission of a set of random characters based on chosen lesson. Recognize the code and verify it at the end of the lesson.
(01/01/1970 @ 01:00)
Yaesu FT-857D Select Knob Wobbles - How to replace
Radio Equipment/HF Transceivers/Yaesu FT-857A youtube video instructions on how to replace, the Select knob. Very often this know wobbles after some years of usage and in this video is well documented all passages needed to replace the knob.
(01/01/1970 @ 01:00)
100 Watt RF Power Amplifier for 2 GHz
Technical Reference/AmplifiersModification to an old cellular phone base station modules, with a fairly reduced output power (10 watts or so), the stock power amplifier modules will cover the 2.3 GHz and 2.4 GHz amateur radio bands.
(01/01/1970 @ 01:00)
VFC LP Lightning Protection Products
Manufacturers/Lightning and Surge ProtectionVFC has grown to become the national leader in the lightning protection industry. Protecting facilities and equipment from lightning and transient current by designing and installing lightning protection, grounding, surge protection and lightning warning systems.
(01/01/1970 @ 01:00)
2.3GHz to 432MHz RX converter for FT-817
Radio Equipment/HF Transceivers/Yaesu FT-817A very small receiver converter that can be plugged to the backside of the battery powered portable transceiver FT817 from Yaesu. A high performance receiver for 2.3GHz amateur radio signal
(01/01/1970 @ 01:00)
(01/01/1970 @ 01:00)
Laatst import : 31/03/2020 @ 18:14
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