N9TAX 2m Slim Jim Antenna Review

Erroneous specs aside, the N9TAX VHF SlimJim antenna is an exemplary dipole.

The limits of aluminum antenna tubing

Aluminum comes in varying grades and the Diamond Antenna CP22E demonstrates why not all aluminum is created equal.

The need for 9600 bps AX.25

Where AX.25 fits into the ARS digital landscape

Despite its age AX.25 can compete with the slick newer digital technologies. Let’s see where packet fits into the digital landscape.

Mast Mountable J-Pole Antenna

Overview highlighting novel features of mast mountable j-pole antenna.

The J-Pole antenna’s long and storied design history is due for one more chapter to mitigate the longstanding mast current and reliability issues.

APRS AT Golden Packet 2014 NoVA Report

Hawksbill ATGP crew 2014

2014 Appalachian Trail Golden Packet report from Hawksbill (aka Northern Virginia) Station #6

Repeaters, Antennas & Trigonometry

Repeaters, Antennas & Trigonometry

You need an antenna with energy at high take off angles to hit the hill top repeaters… right? Well, not likely. Let’s review the details and do the math to understand what’s needed for VHF terrestrial radio communication.

Hoverman TV Antenna Measurements

Hoverman VHF Elevation Measured Antenna Pattern

Doyt Hoverman’s 1960s TV antenna design placed over a simple reflector screen provides impressive performance for today’s UHF and VHF-HI television bands.

HF AHVD on 6m – Practical?

Tall 6m AHVD making local contacts.

Will the KX4O version of the 20-10m Asymmetrical Hatted Vertical Dipole work on 6m? Yes, sort of.

Baofeng UV-5R HT – Low Cost, High Value

The Baofeng UV-5R provides modest quality with a low price yielding high value. This HT can literally be a Christmas stocking stuffer.

First SOTA Activation – Using VHF FM

First SOTA Activation – Using VHF FM

My first journey to the mountains as SOTA activator was a success using minimalist VHF FM gear.