Antenna Polarization [ ARRL PODCAST ]

July 18, 2019 No comments

 Your antenna’s polarization can make a big difference in how well you can hear, and be heard — especially on VHF and up.   Read more

Vertical Antenna 8 bands trapped (10-12-15-17-20-30-40-80m) with wire radials 1/4 lambda for each one band.

June 11, 2019 No comments

10-40m Full bands coverage. 80m about 120Kc/s RF chocke for electrostatic protection. 2 KW pep SO239 Technical specifications: Height: 11.3 m approxim... Read more

Replacing a bad PL-259 Connector

March 24, 2020 No comments

“Since we all need to stay at home anyway, let’s fix up the station! I need to review a new mobile radio, and the connector on my VHF/UHF... Read more

Yaesu FT-991 Overview with Steve Venner at ML&S

October 11, 2015 No comments

Yaesu FT-991 Steve Venner – G0TAN – takes an in-depth look at the features and functions of the Yaesu FT991 Muti-Mode Transceiver. The Yae... Read more

ARISS Cross-Band Repeater Not Available for General Communication

August 29, 2017 No comments

The cross-band FM voice repeater aboard the International Space Station has not officially been activated for general amateur use, although some stati... Read more

ARRL HQ Tour and Operating W1AW [ Video ]

June 21, 2016 No comments

Tours of the Administrative Headquarters of ARRL and the Maxim Memorial Station, W1AW, are given between 9 AM and 3 PM weekdays except holidays. Large... Read more

Samuel Morse special event

April 20, 2021 No comments

Members of the Hungary Radio Amateur Society (MRASZ) will activate the following callsigns in celebration of the 230th anniversary of the birth of Sam... Read more

ARRL Members to Lead New 30-Minute Amateur Radio Webinar Series

July 23, 2020 No comments

ARRL is launching a new webinar series to help introduce more members to the variety of activities and opportunities that radio amateurs enjoy. The AR... Read more

CY9C St Paul Island

November 11, 2015 No comments

“As 2016 quickly approaches, focus on dxpedition planning details intensifies.  All is going very well as we continue to develop the operating plan, s... Read more

Noise Reduction Speakers

April 28, 2021 No comments

Oggie John Reardon, KD0RON, asks about noise reduction speakers. Read more

US Amateur Radio Population Grows Slightly in 2018

February 15, 2019 No comments

The US Amateur Radio population once again grew by about 1%, based upon 2017 and 2018 year-end FCC database statistics provided by Joe Speroni, AH0A.... Read more

New tinySA is here!

August 31, 2020 No comments

The tinySA is a small spectrum analyzer, primarily intended for 0.1MHz to 350MHz input but it has some nice other capabilities: Spectrum Analyzer with... Read more

ARRL Announces 2018 Teachers Institutes on Wireless Technology Sessions

February 14, 2018 No comments

As part of its educational outreach through the Education & Technology Program (ETP), ARRL will offer three sessions of the Teachers Institute on... Read more

An Earth-Directed Stealthy Storm Launches as Activity Bumps Up | Solar Storm Forecast 04.14.2021

April 14, 2021 No comments

https://youtu.be/Tti4AZUa458 Read more

IARU engagement in the 23cm band protection in ITU‑R continues

May 19, 2021 No comments

Over the period 28th April until 11th May 2021, the preparatory work for WRC-23 agenda item 9.1b continued in ITU‑R Working Party 5A (WP5A). An ITU‑R... Read more

The K7RA Solar Update 02/27/2015

February 28, 2015 No comments

Source:ARRL.org Average daily sunspot numbers over the past week were about the same (59) as last week (54.6), and average daily solar flux declined,... Read more

Indoor SteppIR Yagis by AE9K

January 22, 2015 No comments

  Indoor SteppIR Yagis by AE9K Read Full Article:     SteepIr Antennas Web Site   Read more

New Ham Radio Deluxe v6.7 now available for download

November 08, 2019 No comments

HRD Software is proud to serve over 30,000 ham radio customers in 136 countries. Thank you to our customers in Afghanistan, Anguilla, Argentina, Austr... Read more

RECENT RS-689 10 Watts Tri Band Handheld Radio

September 23, 2015 No comments

RECENT RS-689 – Handheld Radio HI/MI/LO Power Selective (Max Power :10W) Tri-band Frequency, Dual Display and Standby Torch Light Function DTMF... Read more

The New Carolina Windom By Len Carlson, K4IWL

January 05, 2016 No comments

“ As with all ham stations QRO or QRP, ten percent ofa station?s success in quality QSOs is the equipment and the operator. Ninety percent is th... Read more

IARU Region 1 UHF & Up Contest

October 04, 2019 No comments

The IARU Region 1 UHF & Up Contest will be held this weekend on 5 and 6 October 2019. The contest starts at 14.00 UTC. You are kindly invited to p... Read more

A direct hit! The solarstorm our Sun launched is confirmed to be Earth-directed!

February 22, 2021 No comments

A direct hit! The #solarstorm our #Sun launched is confirmed to be Earth-directed! NASA prediction models show impact early February 23. Because Earth... Read more

RigExpert WTI-1 – Wireless Transceiver Interface

August 25, 2015 No comments

RigExpert WTI-1 is a revolutionary new device to interface your transceiver to your computer wirelessly. It provides: Transceiver audio interface Anal... Read more

Stealing Keys from PCs using a Radio

June 29, 2015 No comments

Cheap Electromagnetic Attacks on Windowed Exponentiation This web page contains an overview of, and Q&A about, our recent results published in a t... Read more

Australian Regulator Reinstates US Amateur Radio License Reciprocity

October 01, 2019 No comments

The Wireless Institute of Australia (WIA) reports Australia’s communications regulator ACMA is reinstating the reciprocal arrangement for US Amateur R... Read more