IARU Contest
About
Objective: to contact as many other amateurs, especially IARU member society HQ stations, around the world as possible using the 160, 80, 40, 20, 15 and 10 meter bands.
Online Log Submission – logs mustw be uploaded within 5 days after the event via the preferred online web service atcontest-log-submission.arrl.org.
Paper Log Submission – logs must be mailed/postmarked (within 5 days after the event) to: ARRL Contest Logs (IARU), 225 Main St, Newington CT 06111 USA.
Contest Software
Tools
Score Distributor
Review
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: [AC] IEC320-C14, [DC] 2 USB ports, 2 Anderson Power Pole ports, 1×2-Wire Terminals Rea... Read more
News
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this we... Read more
8-Meter Experimental Station on the Air from the US
WL2XUP is an FCC Part 5 Experimental station operated by Lin Holcomb, NI4Y, in Georgia. It’s licensed to operate with up to 400 W effective radiated p... Read more
Quirky APRS, HG-UV98 Lanch NLH Ham Radio Handheld Review
“Chinese radios have come a long way, many have impressive feature lists, but those features seem to be stuck behind programming or poorly imple... Read more
Product Discontinuation: IC-7851 HF All Band Transceiver
“We are sorry to announce that Icom has discontinued the IC-7851 HF All Band Transceiver. Since its launch six years ago, the IC-7851 has been I... Read more
Equipment
New Firmware Updates for the IC-705, IC-7300 and IC-9700 SDR Transceivers
Icom has released updates for its latest range of Amateur radios. The updates are available for the IC-705, IC-7300 and IC-9700 SDR transceivers. The... Read more
EL/AZ 3D Printed Antenna Rotator – Testing !
“One of the Youtube viewers made a comment a few weeks ago asking about my rotator project. Their comment inspired me to finish it. This project... Read more
ICOM IC 7300 Ham Radio Go Box, It’s Final Form?
“The go box is portable operation ready. How did I do on the wire mangement? What is its final config? Check it out and tell me what you think.... Read more
Bob Heil, K9EID – Manufacturers Showcase
“We are with Bob Heil, K9EID with Heil Sound on this weeks episode of the Manufacturers Showcase” Read more
Recent Posts
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this we... Read more
8-Meter Experimental Station on the Air from the US
WL2XUP is an FCC Part 5 Experimental station operated by Lin Holcomb, NI4Y, in Georgia. It’s licensed to operate with up to 400 W effective radiated p... Read more
Quirky APRS, HG-UV98 Lanch NLH Ham Radio Handheld Review
“Chinese radios have come a long way, many have impressive feature lists, but those features seem to be stuck behind programming or poorly imple... Read more
Product Discontinuation: IC-7851 HF All Band Transceiver
“We are sorry to announce that Icom has discontinued the IC-7851 HF All Band Transceiver. Since its launch six years ago, the IC-7851 has been I... Read more
ISS SSTV Aug 6-7 145.800 MHz FM
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
Antennas and Connectors!
Dave, KB2UBO, has two questions… One about Whether a ZS6BKW could/should be used in an inverted V? Another about Wheather to crimp or solder con... Read more
Mechanical Issues with EFHW Antenna
“Rolf, KE1Y, has a EFHW 80 – 10 and it’s wire has broken near the loading coil. He wants to know if there is a better way to have th... Read more
JA1TOKYO – Olympic Games
Olympic Games – JA1TOKYOOn July 16 JARL opened the special commemorative station ‘JA1 TOKYO‘ in Nishitokyo City, Tokyo, to commemora... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: It’s exciting to observe increasing sunspot activity. Recently Solar Cycle 25 produced new sunspots frequently, and... Read more
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
RG8X No-Name Coax, You Need To Be Careful, Jim W6LG Shows What Happened To 100 Feet Of Gray Coax
Jim Heath W6LG shows what happened to RG8X that had 1500 applied. Watch the subsequent episodes for more information about coax. 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
To Resonate or Not to Resonate?
Ben, K0ABR, simply asks Is resonate better than non resonate antenna? 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
FCC Investigating Whether Cuban Government Is Jamming HAM Radio
by Matthew Gault The federal government is investigating mysterious signals coming from Havana that are jamming popular frequencies. HAM radio operato... Read more
EZNEC PRO ANTENNA MODELLING SOFTWARE WILL BE FREE FROM 2022
“ On January 1, 2022 I will be retiring. I’ll be nearly 76 and want to spend more time at other things. EZNEC is and always has been devel... Read more
AO-109 (RadFxSat-2/AMSAT Fox-1E) Open for Amateur Use
AMSAT’s Engineering and Operations Teams have announced that AO-109 (RadFxSat-2/AMSAT Fox-1E) is now open for amateur use. AMSAT advises operators to... Read more
Attaching Coax to a Dipole
Gordon, KO4OCO, in reference to Dave’s 40 meter dipole video, he asks how the actual connection between the coupler and the antenna wire was mad... Read more
20M LOADED DIPOLE – HALF A YAGI?
Here we take a look at building a short, loaded dipole for 20 Meters, 14 MHz. In fact, this is going to be half of a 2 element yagi for the 20M band. Read more
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
Icom ID-52 First Look! – New Icom Handheld Ham Radio | DSTAR
Look what arrived at my mailbox! This is the Icom ID-52E, the newest Handheld Ham Radio from Icom, which includes DSTAR. Let’s take a look at th... Read more
Amateur Radio Responds to Flooding in Western Europe
International Amateur Radio Union (IARU) Region 1 Emergency Communications Coordinator Greg Mossop, G0DUB, reported over the weekend that amateur radi... Read more
Solar Storm Fake Out & Big Flare Players Near | Solar Storm Forecast 07.17.2021
Solar Storm Fake Out & Big Flare Players Near | 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
Radioddity REVEALS DB25-D Mini Mobile DMR Radio | First Look!
Radioddity has a new Mini Mobile DMR Radio about to be released which they are calling the DB-25-D. This is a small dual band DMR radio with 20W power... Read more
Radio Wave Properties: Electric and Magnetic Dipole Antennae
“An HP model 3200B VHF Oscillator and ENI model 5100-L NMR RF Broadband Power Amplifier provide a 300 MHz signal to a half-wave dipole antenna.... Read more
Is That Cuban Radio Jammers On 40 Meters Ham Radio?
“For almost a week straight there has been an abundance of what looks like intentional radio interference on 40 meters HF ham radio. Is this the... Read more
Cuba Is Jamming Ham Radio Frequencies!
“My good friend Alex, W7HU has uncovered that Cuba is jamming ham radio frequencies to stop communication in and out of Cuba. If you’re un... Read more
The Take-off Angle Theory
“Kyle, W0AAV, is wondering if there is an optimal angle to put his vertical antenna or is the Take off angle not really important or is is more... Read more