Frank Bauer KA3HDO had a minute to fill us in on the new ARISS education initiative SPARKI
Antenna
DX Commander Part 2 – HF Vertical
Some slight mishaps have been fixed, some radials have been re-established, and it is time to double check this bad boy, with an SWR meter. Will the D... Read more
How High should my Dipole Antenna be?
Dipole Antennas – the Effect of Height Above Ground I frequently hear the question: how high should my dipole be? Or alternatively, will my dipo... Read more
W1ZR Wins August QST Cover Plaque Award
The winning article for the August 2016 QST Cover Plaque award is “Antenna Analyzers — the Basics” by Joel R. Hallas, W1ZR. The QST Cover Plaque... Read more
Amateur Radio Tower Stand – KG0ZZ’s
A close up view of my ham radio tower and tower stand. The tower is five sections of Rohn 25-G tower. The top section is 8 feet long making the... Read more
![ARCO Smart Antenna Rotator Controller [ microHam ]](https://qrznow.com/wp-content/uploads/2021/06/l_IMG_0495_-265x168.jpg)
ARCO Smart Antenna Rotator Controller [ microHam ]
The ARCO is a modern rotator controller designed for reliable operation with virtually any rotator ever made, commercial or home brew.ARCO p... Read more
Review
Introducing the RSP1A SDR from SDRPlay
“The folks at SDRPlay were nice enough to send me their new RSP1A SDR. Some very significant upgrades come with this new model. Any of you still... 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
Ofcom engineers shine a light on interference issue
Ofcom’s spectrum assurance team recently solved a sky-high interference case that took more than a little detective work to crack. The team were conta... Read more
An Alpha Delta lightning arrester with an intermittent short.
Coaxial Lightning Protectors Alpha Delta N Connector Coaxial Surge Protectors are rated for 200 or 2,000 watts at frequencies up to 3 GHz. They are no... Read more
Equipment
mercuryAT available in the next few days
List Price $795.00 km3km.com Read more
Ham Radio Go Box Design
by Lee Drew “I’ve spent a lot of time over the years looking at the designs of ham radio go boxes amateur radio operators have created. T... Read more
Solar Power Pack Plus 60-300
Solar Power Pack Plus 60-300 PORTABLE SOLAR POWER BATTERY/CHARGER Enjoy maximum power no matter what. The revolutionary EnergyBar 300 provides an un... Read more
TS-890S – Kenwood
The most rewarding results often take place when faced with the harshest and most challenging conditions.There are enthusiasts who know this all too w... Read more
Ameritron AL 811
Ameritron AL 811 The first 600 watts make the differenceThe Al-811 gives you 600 watts PEP output — thats nearly 2 full S-units ov... Read more
