The Legendary Rhombic Antenna
The “KING of Wire Antennas is a Rhombic” Most of our group here on the KA9QJG Repeater know that I…
Antenna Ramblings
The vertical and horizontal is an issue more so locally, where line of sight signals are concerned. There the 20…
224.740 MHZ Antenna Build
Here It Is Ladies & Gentlemen 3 Element Yagi Vertically Polarized For 220 MHZ And Centered On KA9qjg Repeater. Lengths…
224.740 3 EL-Yagi Design
Don Ka9QJG Runs a 1.25 Meter Repeater On 224.740 Mhz, I Seldom Hear SomeOne Using It, But He Keeps It…
Home-brew End-Fed 49:1 UnUn.
The First Thing New Ham’s Often Ask: What Is An UnUn? And What Is It Used For In Antennas? The Short Answer Would…
Kenwood R-1000 Communication Receiver MOD
Just Got a Deal On this Kenwood R-1000 I Entended To Give This radio To My Father, As He Likes…
KA9QJG Don Visit To My Shack
Houston We Have a Problem, The Repeater Is Not working. So Next Afternoon I & Don Met At The Repeater…
DIY Dipole Center Insulator
A Cheap DIY Center Insulator For Dipole Antennas Here Are The Part List And Measurements 2X 1.5″ PVC Cap 1X…
KA9QJG Repeaters Systems
The KA9QJG Repeaters Are 2 Meters 147.045 +Shift 131.8 PL Tone Analog 1.25 Meters 224.700 – Shift 131.8…