I received this set with my Diamond X300 vertical -> Kenwood TM-V71 -> MMSSTV. There were of course a lot more decodes, which allowed me to select the best of each image.
Continue reading ISS SSTV Expedition 73 – ARISS Series 27
All posts by Lance
CW Key to Radio Switch
There was no issue when I had but one radio capable of CW. My straight key and paddles were plugged into their respective ports on the back of my TS-590SG. In time I acquired an all mode 2 m rig, so a second straight key went onto the desk. Then the TS-520S and FT-101E followed over a twelve-month period. Each additional radio increased the number of keys on my desk, and a corresponding decrease of available desk space.
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Programming a PRM80 radio with a modern computer.
There is much angst about programming Philips/Simoco PRM80 radios with modern computers lacking a real serial port. For many years I’ve kept an old laptop available for just that purpose. Today however, after getting grumpy with how slow the laptop was, discovered that it doesn’t need to be that hard.
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Setting up TinyGS on Heltech Wireless Tracker V1.1
TinyGS is a great project with a very simple installation. The documentation however is several years out of date, so prepare the pull your hair out. After installing it twice with a six month interlude, I forgot what I needed to do, so am documenting it here for future me.
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Building a USB PTT Interface
Many software packages deigned for encoding and decoding RF protocols have the capability of keying a transceiver via serial RTS or DTR lines. Here is a simple design to achieve this with a common USB to Serial TTL adapter.
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DIN connector pin numbering
Am I the only one who gets thoroughly confused when seeing DIN connector pin diagrams, having no idea which end of the connector you’re looking at? This is particularly bothersome when connectors don’t have the pin numbers indicated on the connector. I’ve put together some foolproof images to remind me the next time I find myself in such a pickle.
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Changing the PiPico boot mode from PowerShell
To put the Pi Pico into programming mode, you need to open a connection to it at its magic number port speed. This set of commands allows me to set the mode and upload an .ino file.
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40 m Band Harmonisation – TAC Consultation 2024-2
The WIA has opened a public consultation on 40 m harmonisation. Below is my submission.
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Measuring Common Mode Chokes
There is plenty of published information on how to build common mode chokes (CMCs), but not much related to measuring their performance. This post details three such tests using a Nano VNA. If anyone is aware of additional tests which will shed light on a CMC’s performance, I’m all ears.
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Resetting a broken FLDigi install
My FLDigi settings got messed up, and could not identify how to reset it. I tried deleting what configuration data, and uninstalling then reinstalling, all to no avail. Thankfully a video by Stuart (AG6AG), pointed me in the right direction.
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