Members of the Military Auxiliary Radio System (MARS) will conduct an HF skills exercise July 20 – 24 to hone their operating skills and messaging-handling capabilities.
MARS members will be reaching out to the amateur radio community via the 60-meters Channel 1 Net (5330.5 kHz dial) twice a day, the SATERN HF net (14.265 MHz), and by contacting various stations via HFLink throughout the exercise. MARS members will be requesting assistance with collecting county status information as well as airport weather information, called METARs. MARS members will also be passing ICS 213 messages to numerous Department of Defense (DoD), federal, and amateur radio addressees.
This exercise will be announced via WWV at 00:10 and via WWVH at 00:50 starting on or about July 13. WWV and WWVH listeners will be asked to take an online listener survey. This HF radio training event will not impact regular communications. — Thanks to Paul English, Chief, Army MARS
Source:ARRL
Antenna
M2 Antenna 1330LP11 – HF Log Periodic
HF Log Periodic SPECIFICATIONS: Model 10-30LP12 Frequency Range 10.0-30.0 MHz Gain 6.8 dBi / 11.6 dBi @ 45′ Front to Back 20 dB Typical Usable R... Read more
Measuring Propagation Attenuation Using a Quadcopter by N6GN
These tests show that the signal strength of a local station can be many tens of decibels weaker than from a DX station. For the last several years I... Read more
3-Element 3-Band Mini-Beam from ZX-Yagi
3-Element 3-Band Mini-Beam from ZX-Yagi Better have a small one than none…. Compact built and light-weight 3-band antenna for 10, 15 and 20m. Ab... Read more
JK Mid-Tri-40 2 Elements on 40M / 3 Elements on 20M/ 4 Elements on 15M / 5 Elements on 10M / 26 Foot Boom
The JK Mid-Tri has been designed for Hams looking for a Mid level, cost effective but high quality Tribander antenna. This Tri-Bander’s... Read more
Review
Chameleon MPAS vs Wolf River Silver Bullet – Ham Radio Q&A
“I spent the weekend camping and testing a couple of antennas: the Chameleon MPAS 2 vertical and the Wolf River Coils Silver Bullet 1000. Both a... Read more
Simple SWR Indicator for QRP
Simple SWR Indicator for QRP, just a ferrite, a wire and a LED. Read more
Icom IC-9100 – QST Review
Icom IC-9100 Mark J. Wilson, K1RO, k1ro@arrl.org Reviewed by Rick Lindquist, WW3DE National Contest Journal Managing Editor ww3de@arrl.org The only re... Read more
Baofeng UV9S Triband HT Power Test
Functions: TRI-BAND TWO WAY RADIO 1. Frequency Range: VHF/UHF136-174Mhz&220-225Mhz&400-520Mhz 2. Dual-Band Display, Tri Freq. Display, Dual-St... Read more
Digital Modes
FT8 in UK and EU contests
Recently, the RSGB Contest Committee has seen some FT8 QSOs being claimed within contest logs. At present it is difficult to complete a full contest e... Read more
WinLink Radio Email with Yaesu FT-891
“Hello operators A few operators have left comments with concerns about the reported USB clicking on the Yaesu ft-891. Apparently one or more op... Read more
Quicker-Turnaround Digital Modes in Experimental Stage for WSJT-X Suite
Recent sporadic-E propagation openings on 6 meters and elsewhere have pointed up the need for a digital mode having faster turnaround time than curren... Read more
LoTW Now Accepting FT4 Contact
The latest TQSL update (Config.xml version 11.8), released on May 22, includes FT4 as a submode of MFSK. It also adds AISAT-1 and PO-101 in the satell... Read more
FT4 vs FT8 – A new mode, what’s the difference?
The FT4 Protocol for Digital Contesting by K1JT Read more
VHF
PJ4VHF Listen D4C/B – Transatlantic Beacon reception on 144 MHz
A post on the D4C Facebook page says: On May 6, 2015 history was made on contact across the Atlantic on VHF bands on the W-E path: The new D4C... Read more
Super Gain HT Antenna By Diamond, SRH770S Dual Band
“If you are in the market for a high gain HT antenna for those fringe areas, this may be for you. The Diamond SRH770s is very flexible for porta... Read more
New 144 MHz Transatlantic Record Reported
The claimed transatlantic record on 2 meters has been extended to nearly 4,760 kilometers (2,951 miles). “The incredible tropo conditions between Cape... Read more
Antenna Shootout, UHF Edition by W3BC
“We’re at it again! Before the August 17 meeting, we invaded the large parking lot we use as an antenna test range once again. This time, we bro... Read more
Vertex VXD-720
Vertex VXD-720 Clear, Quality Communications 512 Channels and 512 Groups 5 Watts VHF / 4 Watts UHF VHF: 136 – 174 MHz UHF: 403 – 470 MHz; 450 – 512 MH... Read more
