The winning article for the February 2019 QST Cover Plaque award is “Installing Coax Crimp Connectors” by Dino Papas, KLØS. The QST Cover Plaque Award — given to the author or authors of the most popular article in each issue — is determined by a vote of ARRL members on the QST Cover Plaque Poll web page.Cast a ballot for your favorite article in the March issue today.
Source; ARRL
VHF
D-STAR Forum at Dayton on HamRadioNow
D-STAR is now the Grand Old Man of Digital Voice in amateur radio, but it still fills the room with interested hams at the Dayton Hamvention®. John Da... Read more
Increase Your Two Way Radio’s Power With The Retevis RT91! 30 Watt Amplifier
This is a portable, lightweight, Wide coverage RF power amplifier for Handheld Radio equipment , proprietary and emerging waveforms. Dual mode for Dig... Read more
432 MHz world tropo record extended even further to 4,644 kms
” On Saturday the 28th of December 2019, Ian GM3SEK in the south-west of Scotland managed to work D41CV on 432 MHz to set a new world record fo... Read more
Antenna
![Antenna Analyzers – ARRL The Doctor is In [Podcast]](https://qrznow.com/wp-content/uploads/2017/08/DXEPartType_Antenna-Analyzers-190x122.jpg)
Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 – 4 elements 20/17/15 – 5 elements 12/10
Horizontal and elements rod kit On the models with 4 and more elements, we use an horizontal tie-rods kit, to prevent bending in the horizontal plane.... Read more
An end fed half wave cage antenna. How much wider bandwidth does it provide?
Another comparison between a single wire and a cage arrangement. This time on the end fed half wave antenna. Read more
MQ-1 TGM 3-Band 2-element Hybrid Quad Antenna – 10,15,20 Meters
Hybrid Quad Antenna Electrical Specifications Operating Bands- 10,15,20 Meters Forward Gain (Ref. Dipole)- 10M-6.0 dBd., 15M-5.5 dBd., 20M-4.4 dBd. SW... Read more
Review
Astron SS-30M-AP Power Supply First Look!
New from Astron is a 30-amp Power Supply with PowerPoles and 2 USB ports on the front panel. Let’s take a First Look at this! Connectors: [... Read more
Getting your Equipment in the Right Order
Frank Arciuolo, W1ZAH, is having some problems with his antenna set up and SWR. Dave here to help point him in the right direction. Read more
Difficult Grounding Issues
Tim Desmond, KI5OUN, inspired this video on grounding. Simplest to say “Difficult Grounding Issues” Read more
New Astron SS-30M-AP Switching Power Supply Review/Demo
Switching Power Supply, 30 A At 13.8 Vdc Peak Output, Front Panel Powerpoles, Fan Cooled, Meters, 115/230 Vac Input Int. Sw., Each Read more
News
Massachusetts Court Okays Amateur Radio Tower, Citing Board of Appeals’ Error
A judge in the Massachusetts Land Court has ruled that the Zoning Board of Appeals in the City of Framingham “erred” in revoking a building permit for... Read more
FCC Investigating Alleged “Jamming” on 40 Meters
Reports suggest that jamming stations have been deployed on the lower portion of 40 meters. The jamming appears to be coming from Cuba. The signals, s... Read more
Audio and visual of Cuba jamming 40M, making it to OH
Audio and visual of Cuba jamming 40M, making it to OH Audio and visual of Cuba jamming 40M, making it to OH. #hamradio pic.twitter.com/J4wHLPMGhF — Ha... Read more
Volunteer radio operators to the rescue in Belgian floods
July 2021: Brabant Wallon’s Emergency Radio Network volunteers stepped in when the Police building in Wavre, Belgium – including its Tetra anten... Read more
![Transistor : Full Documentary [ Video ]](https://qrznow.com/wp-content/uploads/2017/01/gpc20121011_3_trans-265x168.jpg)
