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KC9UMR

Ramblings of yet another nerd...

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Latest Post

UMRLog…. updates Chrome Browser as rig control and logging… Crosspoint Menus Another Crosspoint Update Update on the 8816 Crosspoint Switch Project
Radio and Electronics

VX-1700 VFO mode

2015-09-11 Ken Cechura

The VX1700 is a fairly nice radio, but it has one shortcoming from a flexibility standpoint – the VFO is not enabled by default, nor is it a simple software…

Radio and Electronics

Return Loss, Part 2, or SDR VNA

2015-06-10 Ken Cechura

After my last post on return loss, I ended up scouring eBay for a return loss bridge – or a set of directional couplers – to measure antennas and other…

Radio and Electronics

Shack Reboot

2015-06-04 Ken Cechura

I decided that it’s time to reconfigure the shack… this time using dispatch consoles. The main purpose is to limit the surfaces I can pile things on – and cut…

Radio and Electronics

BC 780XLT IF Tap

2015-02-11 Ken Cechura

Several years ago, I modified a Softrock kit to operate at 455 kHz. The main purpose behind this build was to add the ability to connect it to a receiver’s…

Mobile Install Considerations Radio and Electronics

VRS 750 Interface Cable Build

2015-02-04 Ken Cechura

Several months ago, I stumbled upon an eBay special on VRS-750’s. I picked one up for $50 – at that price, it was worth having a backup on the shelf.…

Radio and Electronics

RSSI correlation

2015-01-23 Ken Cechura

One interesting aspect of the BCD-996 and similar radios is the digital command and status protocol. In digging into the software, I learned that there is a RSSI (Relative Signal…

Radio and Electronics

A new take on the generic programming cable

2015-01-08 Ken Cechura

I previously added (as “comments” to my post on RS-232 to TTL cable) the fact that I had purchased some USB to TTL converters, intending to remove the middle man…

Photography

Photography

2015-01-01 Ken Cechura

Cameras are cool, too…. testing the zenfolio plugin.. For the 100AW rally, I decided I wanted to catch some action photos… which is not a horrible challenge, if one has…

Radio and Electronics

A generic radio programming cable

2015-01-01 Ken Cechura

Many years ago, programming the memories in an amateur radio was a “neat” feature. As the capability was included in more radios, the radio manufacturers also began charging a hefty…

Radio and Electronics

A Whetstone Bridge – and what it’s good for….

2015-01-01 Ken Cechura

Another Article with back story… at about 4:20 PM, I was getting ready to leave work, when my phone rang. Bryan was asking what I knew about whetstone bridges. While…

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You missed

Radio and Electronics

UMRLog…. updates

2025-06-22 Ken Cechura
Radio and Electronics

Chrome Browser as rig control and logging…

2025-06-17 Ken Cechura
Radio and Electronics

Crosspoint Menus

2025-04-24 Ken Cechura
Radio and Electronics

Another Crosspoint Update

2025-04-21 Ken Cechura

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