KA7OEI's blog

Random musings - usually on a technical (nerdy) subject - perhaps related to amateur radio and things found at ka7oei.com and modulatedlight.org. No AI is used to generate this content.

Friday, December 3, 2021

The case of the Clicky Carrier - Likely high-frequency trading (that can sometimes clobber the upper part of 20 meters)

›

Note: As of 9 February, 2022, this signal is still there, doing what it was doing when this post was originally written. As of September, 2...

2 comments:

Thursday, November 25, 2021

Fixing the CAT Systems DL-1000 and AD-1000 repeater audio delay boards

›

Figure 1: The older DL-1000 (top) and the newer AD-1000, both after modification. Click on the image for a larger version. Comment: Ther...

Friday, October 29, 2021

RF Quieting a Samlex 150 watt Sine Wave inverter

›

A few weeks ago I was on vacation in remote Eastern Utah - in Canyonlands National Park, to be precise and because we had some "down ti...

Tuesday, September 28, 2021

Pink bits of rubber causing a blinking light... (Problems with Jeep Rubicon sway bar disconnect mechanism)

›

A bit more than a week ago I volunteered for an aid station along the route of the Wasatch 100 mile endurance run - which, as the name imp...

Wednesday, June 30, 2021

A "portable", high power, high-sensitivity remote repeater covering deep river gorges in Utah

›

From the late 1950s until about 2012 there was a (mostly) annual event held in southeastern Utah that was unique to the local geography: Th...

1 comment:

‹

›

Home

View web version