Investment – Stuff with Jam

Disruption Curves with Tony Seba

July 4, 2021February 17, 2022

SWR Update April 22, 2024
I just updated the SWR chart for all bands between 40 and 10. Check out the results here.
VNA Results April 21, 2024
Yesterday, I added four lengths of 10-meter radials, to the base of my multiband vertical. Here are the results.
Messi & Paoloni Connectors March 15, 2024
This connector is suitable for Ultraflex 7, Extraflex Bury 7 and POTA-Flex 7.
Coax Switch Extension March 14, 2024
I have constructed a new desk for my shack comprising two five-foot butcher block slabs on legs. The tables are thirty inches, front to back. This creates a small problem. The coax switches used to...
Busy Day on 15 Meters October 23, 2023
It’s been a busy day all around! While I’ve been trying to get my SGC SG-239 ATU on line – you can’t believe the amount of crimping involved – I periodically checked into 15m FT-8....