Passing ARRL Field Day messages the easy way with packet radio

Here is a video of a Virginia amateur radio group passing field day bonus point messages off site using packet radio.

The limits of aluminum antenna tubing

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

Low profile 2m/440 mobile installation

Transceiver in sunglasses holder

Video showcases a nice, clean, professional installation of a 2m/440 transceiver into Hyundai sedan.

Runt radials

Antennas shipping with ineffective antenna decoupling are on the rise as manufacturers daringly advocate 1/12 wave radials work.

Diamond CP22E Antenna Review

Despite some antenna gain hype, the Diamond Antenna CP22E 2m base station antenna is a remarkable design achieving 5 dBi directivity in a slim low-profile design.

KX4O 1B-Battery VA Field Day 2015

The 20m AHVD and 40m small loop antennas during KX4O 1B VA field day.

Despite a weak battery and few contacts, our 1B-Battery effort verifies a 40m small-loop and packet-radio NTS messaging using quick deploy antennas.

Diamond X50 Antenna Measurements

Diamond X50 SWR and Return Loss

I measured the SWR and Return Loss of a loaner Diamond X50 antenna.

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.

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.

EME on a Budget – Part 3

EME on a Budget – Part 3

Moonbounce for the rest of us, part 3 of 3, introduces first steps to take in 144 MHz EME operation.