Antenna
6M HO LOOP M2 ( 50MHz )
Our 6M HO Loop is the result of a continued development of reduced size, omni–directional horizontallypolarized loop-style antennas. This new de... Read more
Another Difficult Antenna Situation
Tim, W4FTP, asks how he can use some tall but skinny trees along the back of his property as part of his antenna system. We take a look, and your comm... Read more
Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50 Mhz and 12 elements 144 Mhz
Simulation table Eznec, gain and F / B in free space and real space at a wavelength from the ground Technical specifications DOWNLOAD HERE THE of the... Read more
A Dualband 50/70MHz Yagi with single feedpoint – 5/7 (12) element 144/70MHz Yagi (2.4m)
An Excellent Dual Band Yagi for 70/144MHz on a 2.4m boom and single feed point The 4-2-12 Dual Band Yagi has a total of 12 elements, 5 elements are us... Read more
BIG SIGNAL 6BS-70 – 432 MHz
Specifications: Band: 432 MHz. Active elements: 6. Gain: 12.6 dBi. F / B: 23.00 dB. · Polarization: Horizontal or Vertical · SWR: 1.1: 1 ~ 1.5:... Read more
Review
REVIEW: Hytera PD782 DMR portable radio
The Hytera PD782/G is a commercial grade mid-tier DMR portable radio being offered by Hytera Communications, a Chinese manufacturer of communications... Read more
Flex 6600 Hamvention 2017 [ Video Demonstration ]
K5SRD talks about the new Flex 6600 on Amateur Radio Roundtable. FLEX-6600 A Real SDR for Every Operator Both the FLEX-6600™ and FLEX-6600M™ offer the... Read more
Equipment
Alpha 9500 Autotune Full Legal Limit Linear Amplifier
The Alpha 9500 is no ordinary linear amplifier. The Alpha 9500 is the culmination of over 40 years of design and engineering. The Alpha 9500 is an adv... Read more
HF/6m linear amplifier 1200W with 5″ touch screen control heat pipes cooling system
his a ready power amplifier. You will need a power supply only! Water-cooled hermetically. You can turn the power amplifier. The water will not flow.... Read more
CW decoder CWD2014M
CW decoder The kit has been developed in the meeting A1 Club’s CW enthusiast I was commercialized GR301A / er When the paddle and vertical swin... Read more
openSPOT3 introduction [ VIDEO ]
Home » openSPOT3 ••••••••• The openSPOT3 is a battery powered, portable, standalone digital radio internet gateway (hotspot) designed mainly for amate... Read more
COMET ANTENNA ANALYZER CAA-500MARKII
CAA-500MARKII The NEW CAA-500MARKII SWR/Impedance Analyzer is finally arriving from the Comet factory! The new analyzer retains the same analog cross... Read more
News
ARRL Interview Explains Background of Ham Radio in Space Film Short
Josh Tanner, the Australian filmmaker who produced the thriller Decommissioned by Perception Pictures, has explained how he came up with the idea to... Read more
Amateur Radio Helping to Fill Earthquake Report “Donut Holes”
An article describing how radio amateurs can help fill the information “donut hole” by providing post-earthquake “did you feel it” (DYFI) reports via ... Read more
Mystery Box! ARRL Expo At Home Surprise Pack
The ARRL offered surprise boxes as part of their ‘Expo at Home’ for the 2021 Orlando Hamcation. I ordered a mystery apparel pack and a mys... Read more
“Whirlwind Boom” Emergency Communications Exercise Set in Northern Florida
The amateur radio communications team of the Florida Baptist Disaster Relief has created a multi-site radio communications exercise dubbed “Whirlwind... Read more
ARES and Red Cross Cooperate to Assist Storm-Affected Residents in Texas
ARRL Amateur Radio Emergency Service (ARES®) and American Red Cross volunteers joined forces in Texas under the ARRL/Red Cross memorandum of understan... Read more