Recent Posts
How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes)
Introduction Number of Earthing Electrode and Earthing Resistance depends on the resistivity of soil and time for fault current to pass through (1 sec... Read more
Contesting Ethics and Power Supplies : Ham Nation 297
Batteries with Bioenno Power, ethics in contesting, show us your Radio Shack receipts, the Pine Board High Voltage Power Supply, and Amanda interviews... Read more
Contesting & Propagation Tools, Bud Trench, AA3B, Presents – Part 1
“AA3B PRESENTATION ON PROPAGATION TOOLS: Bud Trench AA3B was the featured speaker on May 10th at the Fair Lawn Senior Center. His topic: “Using... Read more
OMEGA- Portable radio
Frequency coverage (MHz) Rx 0.100 – 72.000 Tx 1.800-2.0007.000-7.200 18.068-18.168 28.000-30.000 3.500-3.80010.100-10.150 21.000-21.450 50.000-52.000... Read more
Tornado damage to legendary KOMA tower array
Damaged KOMA-AM towers (now KOKC) after the March 25, 2015 tornado. A close-up view of the standing tower’s damage. Engineers deemed the... Read more
What if communication lines break down during disasters?
What if communication lines break down during disasters? Check this Article from Raisa Serafica – Rappler : Read more
Nicola Tesla will premiere October 18 on PBS
Recently dubbed the “patron saint of geeks,” Nikola Tesla has had electric cars, rock bands, a unit of measurement, a minor planet and a lunar... Read more
4U0ITU – World Radio Day
ITU International Amateur Radio Club station 4U1ITU in Geneva will mark World Radio Day on Friday, February 13. This event also marks the kicko... Read more
Radio Amateurs Asked to Keep 7.060 MHz Clear for Ecuador Earthquake Emergency Traffic
In the wake of the April 16 earthquake in Ecuador, the Amateur Radio community is being asked to keep 7.060 MHz clear for “Cadena HC” emergency... Read more
OM Power Amplifier Tuning
Instructions for correct tuning of OM Power amplifier! Read more
The first video from Yaesu FT-2D
Yaesu FT-2D Read more
Radio Amateurs to Demonstrate Emergency Messaging Capabilities for Red Cross, FEMA
Just days ahead of the 2019 Hurricane Season, dozens of hams along the US East Coast will demonstrate Amateur Radio’s ability to deliver messages with... Read more
How to distinguish genuine Icom radios from counterfeit ( Fake ) radios
How to distinguish genuine Icom radios from counterfeit (fake) radios The “3D GENUINE Icom label” is attached to the models shown below.... Read more
TV signals used to track aircraft as alternative to radar
By Zoe KleinmanTechnology reporter, BBC News TV signals use different parts of the radio spectrum to radar, but both bounce off solid objects. Using s... Read more
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