General Amateur Radio Exam part 5. Volunteer Examiners, good operator practices. Reactance demonstration.
Antenna
Handheld HF System – Elecraft KX3 and a AlexLoop Antenna – Antenna Description
“Handheld HF System – Elecraft KX3 and a AlexLoop Antenna This is my first try no make a Magnetic Loop to be integrated to the Elecraft KX... Read more
SDRplay comparison of 4 popular magnetic loop antennas
In this video Mike Harwood compares 4 different active mag loop antenna at various frequencies up to 52MHz using two SDRplay RSPduos which allowed sim... Read more
SUPER VERTICAL 8 ULTRA HF 4-6-10-11*-12-15-17-20-30-4
Vertical-Array is proud to present the vertical 8-bands HF 8 “SV 8 ” antenna. The SV8 working in HF for 4-6-10-11-12-15-17-20-30-40... Read more
To Resonate or Not to Resonate?
Ben, K0ABR, simply asks Is resonate better than non resonate antenna? Read more
Equipment
New Icom IC-7851
UPDATE 12/19/20114 0704Z Visit for complete information and photos : http://qrznow.com/icom-ic-7851-new-photos-manual/ Icom IC-7851 HF/6m Amate... Read more
Elecraft KX3 Transceiver
Elecraft KX3 Transceiver Ultra-Compact Home/Portable/Mobile Station The revolutionary Elecraft KX3 puts the world in the palm of your hand! Despite it... Read more
CR-1A COMMUNICATIONS RECEIVER
CR-1A COMMUNICATIONS RECEIVER MW-HF: General Coverage: 500 kHz – 30.000 MHz User Configurable Band Key: Amateur Band Selections: ... Read more
238C 2KW High Power Antenna Tuner
238C 2KW High Power Antenna Tuner Model 238C now features a large cross needle SWR and peak reading power output meter. Model 238C uses our tri... Read more
VHF
Building a Complete Ham Radio Repeater
Ham Radio Repeater “The complete construction process of a 440MHz UHF Amateur Radio Repeater that was setup on top of our school here at New Mex... Read more
Alinco DJ-G7T/E Tri-Band ( 144 , 430 and 1200MHz)
Get ready for action as you hear signals that you may never have heard before. The DJ-G7 tunes 0.530-1299.995MHz continuously, and you can enjo... Read more
3000km plus contact made on 433 MHz from St.Helena to South Africa
On the 16th of October 2020, there was a remarkable 3000+ km contact made on the 70cms band between South Africa and St.Helena in the South Atlantic.... Read more
Yaesu FT-4XR FM DUAL BAND TRANSCEIVER
Yaesu FT-4XR FM DUAL BAND TRANSCEIVER Range: 136-174, 400-480MHz Antenna Connector: SMA Power Source: 12.6 VDC Nominal, Battery Operated Exclusively F... Read more
Review
Further Testing of MFJ Octopus at Quartzfest (#183 Project)
Mix and match any four HF/VHF/UHF bands. Example: screw in 80,40,20 meter hamsticks and a dual band 2M/440 MHz whip (two on each band) on opposite sid... Read more
Review of RigExpert AA-55 ZOOM Antenna and Cable Analyzer
“This video is a comprehensive review of the functions and operation of the RigExpert AA-55 ZOOM Antenna and Cable analyzer. This lightweight po... Read more
SDR Play Review and Operation
The SDR-play RSP1 is a powerful wideband fullfeatured SDR which covers all frequencies from 10 kHz up to 2 GHz. All it needs is a PC and an antenna to... Read more
Digital Modes
RC WSJT-X 2.5.0-rc4 is now ready for download by beta testers
“Dear WSJT-X and MAP65 Users, We are pleased to announce that a public Release Candidate WSJT-X 2.5.0-rc4 is now ready for download by beta testers. O... Read more
JS8Call Overview and Settings 2021
JS8Call Overview and Settings 2021 Read more
FT8DMC 3rd Anniversary-Activity Days 2020
To commemorate our 3rd anniversary, special event stations will be on air during the FT8DMC Activity Days from 1. to 31. July 2020. All stations will... Read more
K1JT , JOE TAYLOR HINTS AT POSSIBLE NEW MODE!
In a post to the WSJT-X email group today, Joe Taylor K1JT hinted at some ongoing experimentation of a new digital mode with sub-modes. His post was a... Read more
