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Jonathan G4IVV

@G4IVV@mastodon.radio
mastodon 4.6.6
  • Open on mastodon.radio

Radio amateur from Cambridgeshire, UK.
Sometimes found on a hilltop or park, usually found on CW.

0 Followers
0 Following
7 Posts
Joined November 12, 2022
Location:
Cambridgeshire, UK
Locator:
JO02DC
Interests:
CW, Portable operating (SOTA, POTA), contesting

Posts

Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Feb 28, 2026
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio

A while back I got offered a free trial of a water leak detector for my home (it's not great, generates false positives in cold weather). Looks like the batteries are flat as I got a text from the server so I opened the app to check. Here are the instructions, what on earth does step 3 mean? "Reseat the batteries of LeakBot closer to the router”???? 😂😂

More AI slop by the looks of things…

I think I’ll take the batteries out, place them on top of my router and email their support team a photo 😂

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Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Feb 22, 2026
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio
Replying to @G4IVV@mastodon.radio
@vk6flab @Ea5iyl I particularly call out VARA with its pseudo open documentation. It describes some of the on air protocol but misses out key bit encoding so that no one else can implement it. Why do that, why try to pretend you are doing the right thing?
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Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Feb 22, 2026
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio
Replying to @vk6flab@mastodon.radio
@vk6flab @Ea5iyl I totally agree. There's no place in amateur radio for closed source protocols. It goes against all amateur radio stands for. That doesn't mean we can't have closed source implementations of course and I happily use a mixture of open and closed source software & hardware, but what we transmit on air must be in a format fully defined in freely available documentation.
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Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Jan 31, 2026
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio

@ian@mastodon.radio Thanks Ian for all your work on https://spothole.app/ 👍 I have just started using your API on my node-red station control dashboard. The SSE updates work great, it was quite easy to add to node-red.

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Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Jun 11, 2025
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio

Looking at the submitted logs for this past weekends RSGB National Field Day, by far the largest number of logs are in the fixed category!

Not sure that’s quite the point of FD :-) Anyway, I had a nice time helping my club (Norfolk ARC) operate G2N/P in the low power unassisted portable category. It was great to get some new CW contest operators on the air as well.

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Open post
G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Feb 19, 2025
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio

A rather chilly #POTA activation at a new park today GB-4433 The Icknield Way path, prehistoric pathways forming one of the oldest routes in Britain. Lovely to be able to hike up from village to a nice spot for an activation. Very much looking forward to the weather warming up a bit as it was hard keying with cold fingers 😀The antenna is bending over due to the icy wind!

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G4IVV
Jonathan G4IVV @G4IVV@mastodon.radio · Feb 04, 2025
Jonathan G4IVV
@G4IVV@mastodon.radio

Radio amateur from Cambridgeshire, UK. Sometimes found on a hilltop or park, usually found on CW.

mastodon.radio

One of the tiny (3 x 3.5mm) micro switches failed on my #Elecraft #KH1 morse key. After a bit of searching I found they are readily available (DigiKey etc) C&K "detect switches" types HDS001L (left side) and HDS001R (right side). Replacement was fairly straightforward but I had to use a PCB microscope and my smallest bit for the soldering! Rig is back up and running again, ready for the next #POTA activation.

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