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KC9UMR

Ramblings of yet another nerd...

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Latest Post

Day 13: El Reno, OK to Shamrock Texas – the last day Day 12: Tulsa to El Reno, OK Day 11: several weeks later – Springfield to Tulsa Day 10: Rolla to Springfield, MO Day 9: (Joliet) to Rolla, MO
Radio and Electronics

The next headset interface

2025-07-31 Ken Cechura

Original Prototype The original prototype worked fine. clear loud audio…. and one size fits… one… cabling. I would have to reconfigure wiring for any radio – and currently that would…

Radio and Electronics

Just another logging project…

2025-07-28 Ken Cechura

Not long ago, I had a friend ask about an easy way to create an ADIF (Amateur Data Interchange Format) for submittal to LOTW. He had some older files, or…

Radio and Electronics

A Box for Going Places

2025-07-18 Ken Cechura

I’m not normally one to do much with “Go Boxes.” My general opinion of them is primarily that they have their place, but if it takes 2 people to lift…

Radio and Electronics

UMRLog…. updates

2025-06-22 Ken Cechura

I’ve started calling this UMRLog. For now, it’s Icom only. I’m trying to simplify some of the controls and tailor it for contest logging, like field day. Maybe POTA. Lou…

Radio and Electronics

Chrome Browser as rig control and logging…

2025-06-17 Ken Cechura

…because, why not? About a year ago, I bought a Quansheng UV-B5 radio. The fact that the firmware was “open” allowed a host of different features and modifications made it…

Radio and Electronics

Crosspoint Menus

2025-04-24 Ken Cechura

Less tech, more code. I need to test the power supply module I bought (+12 in, +/- 5 out)….. soon. I also need some real buttons to use for the…

Radio and Electronics

Another Crosspoint Update

2025-04-21 Ken Cechura

My brain’s been churning on this one. I want to drive the MT8816, which requires 8 different bits plus a strobe and reset, I need discrete inputs and outputs, I…

Radio and Electronics

Update on the 8816 Crosspoint Switch Project

2025-04-12 Ken Cechura

Finally got my SN74LV8153 chips. Did some coding in the background, but without this chip, it wasn’t value added to mess with it. Mouser is 20 or 30 miles away.…

Radio and Electronics

Yet ANOTHER Project… the MT8816 Crosspoint Switch

2025-03-14 Ken Cechura

This one’s been in the works for a long time. I’ve always wanted to play with some sort of audio routing device. I’ve worked on a number of different airplanes.…

Radio and Electronics

More 705 accessory updates

2025-02-10 Ken Cechura

In addition to the dewalt battery adaptor, I have also started using a 12 lithium jump start pack. In both cases, I had to kludge power cables…. This is a…

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You missed

ROUTE66

Day 13: El Reno, OK to Shamrock Texas – the last day

2026-08-21 Ken Cechura
ROUTE66

Day 12: Tulsa to El Reno, OK

2026-08-21 Ken Cechura
Uncategorized

Day 11: several weeks later – Springfield to Tulsa

2026-08-21 Ken Cechura
ROUTE66

Day 10: Rolla to Springfield, MO

2026-08-21 Ken Cechura

KC9UMR

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