Monitoring System
DK2OM – Wolf Hadel
Co-ordinator of IARUMS Region 1
Editor of the Newsletter
HB9CET – Peter Jost
Vice Co-ordinator of IARUMS Region 1
– New kind of OTH radar on 14140 – 14150 kHz
– Chinese wideband OTH radar on 21 MHz
– Iran radar again on 28860 kHz (center QRG)
– Russian OTH radar Contayner on 14127 kHz
-CIS taxis on 28 MHz
– 14000.0 kHz – USB – Far East pirates
-28000 – 28500 – fishery buoys
-18080.0 kHz – Sound of Hope – Taiwan
-SP9BRP – Jan – no longer Polish national IARUMS R1 coordinator
-7 MHz – Codan Selcalls – no change
The IARUMS Region 1 Newsletter May 2019 is now available. Click here!
Antenna
Wolf River Coil vs End Fed Half Wave: Brunet Island State Park, WI POTA K-1442
You asked for it, here it is: a live A/B test of the Wolf River Coil vs the Chameleon CHA-LEFS End Fed Half Wave antenna. Which will win in this Parks... Read more
Phasing Antennas for Directionality
Jared, N0SPC, is the only ham in his country, and he has a question regarding phasing. He wants to know if he can use a phased array of mobile whips t... Read more
Chameleon CHA-MPAS 2.0 Portable Ham Radio Antenna System
The Chameleon CHA-MPAS 2.0 just might be the best portable Ham Radio antenna that you can get today, due to its versatile configurations and compact s... Read more
Using FT8 to demonstrate Antenna Orientations
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thou... Read more
VHF
Radioddity DB20-G Compact 20W GMRS Radio
Let’s take a look a this mini-mobile and compact GMRS Mobile Radio from Radioddity. Rated at 20-watts, let’s test the power output and see... Read more
What Ham Radio Programming Software Should You use?
“I’m taking a 10,000 FT look at three types of ham radio programing software. There’s so much to unpack here that a quick overview i... Read more
TIDRADIO BL-1 Bluetooth Baofeng Programmer – Flawed Execution, Poor Software
“The TIDRADIO bluetooth programmer application is one of the worst aplications I have had to deal with in ham radio. Its odd and makes no sense... Read more
Best Handheld Ham Radio 2021
Today I go through my top 15 Handheld Ham Radios for 2021 – as an update to my Best Handheld of 2020 video, this is a list of both new and exist... Read more
Review
Grounding When Portable
Curt, KB9JQU, has a newer question around the topic of grounding. He is wondering how are you to ground when you are doing portable operations? Read more
DISCOVERY TX 500 Upgrade Amplifier & ATU!
We look at the latest firmware update and also at the upcoming accessories. GENERAL FEATURES – Splash proof & Dustproof Portable SDR 160-6-m... Read more
Wireless, Off-Grid, No-License Communication For $27.99 (LoRa Meshtastic)
The LoRa Meshtastic T-BEAM device are small battery powered devices that will mesh with other T-BEAM and send messages and other data from your phones... Read more
What is CESSB? W9GR the author explains!
Dave, W9GR explains what is CESSB – Controlled Envelope SSB and how it gives your more RF Talk power. Read more
Digital Modes
WSJT-X version 2.5.1 released
WSJT-X version 2.5.1 releasedThe development team have announced the General Availability (GA) release of WSJT-X version 2.5.1. This release mainly co... Read more
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
