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#broadcastengineering

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1985: me and my friend from highschool experimenting with 2 transistor home built FM #transmitters, later #Stentor kit from the #Netherlands, transmitting between 105,6/105,7/105,8 MHz (depending on how much TX had drifted) and putting 1km "not spot" into comms for British Rail and Reading Buses on their then new Stornophone #VHF radio schemes (which bizarrely had mobile TX on 150+MHz and base on 105-106 MHz (this portion of the band wasn't officially allocated to broadcasting back then!)

2025: working with my friends at #IpswichCommunityRadio doing it all legally on 105.7 - 50W TX power, stereo, digital soundprocessing, dynamic RDS, about 30-40km range, full telemetry on the transmitter and bandpass filter so we don't upset anyone else on the band.

Listening to Em's 80s Hour of Fun last night (she featured 1985 on the episode) reminded me of this (and that 40 years have passed since I started being involved with #radio!)

(en eindelijk na 40 jaar kan ik ook de andere kant van de bouwfolder (die was in het Nederlands geschreven) voor de Stentor lezen!)

The new #transmitter I tested last week was installed at #Ipswich #CommunityRadio today in plant room of the general hospital (antenna is on maternity block) along with a SIM for a better LTE network, we now have full 50W output and full telemetry/control available via the PC (which also does #soundprocessing and #RDS ), so I can check all this is working (including keeping an eye on the FM deviation and TX endstage temperature) from home or my office 20 km away.. #BroadcastEngineering #Suffolk

Waiting in one of the car parks of the general hospital for the rest of the crew to arrive, today we are moving the #CommunityRadio #transmitter to the roof of the Maternity block. Alas, NHS won't allow me to share photos of the installation for security reasons (there's a lot of critical national infrastructure up there!) but #Ofcom are allowing us more TX power and it's a really good location, should get a few more km range on #VHF / #FM

We got new #soundprocessing software for the #CommunityRadio station in #Ipswich #Suffolk - testing out various presets and settings (don't worry, I'm not driving at the same time as doing this, its just that most of our FM listeners these days are using car radios)

The soundprocessing cuts in when you hear the glitch in the audio, there is a delay due to studio-transmitter link being an internet stream and the current programme is already quite loud #radio #BroadcastEngineering

Sharing my new found crumbs of fediverse knowledge (last one for tonight) - searching using hashtags is very powerful!

Instead of looking for specific 'servers', I instead used the 'magnifying glass' to query on certain hastags (I just guessed on logical possibilities).

e.g.
For regional - #alaska finds a lot
For areas of tech - #broadcast returns a lot, including ones for my specific interest/area of work #broadcastengineering

Pretty powerful stuff!

I hear we have a lot of new friends on the fediverse. If you’re looking for good #FediFollows, here’s what I toot about:

#AmateurRadio - I was licensed in 2011 and now hold a US Extra class license #Broadcasting & #BroadcastEngineering - I like to joke with my ham radio friends that I turned pro. I have bigger toys now and I like teaching people about career opportunities in broadcasting.

Of course there’s also some random thoughts and cat pictures. Come say hi!

@FediFollows

I wrote a script for a video about the evolution and history of the Emergency Alert System and how it relates to the broadcast industry (aka more effort at teaching you about it rather than slapping together a compilation of tests from the 1970s and 80s). It’s six pages long. I’m sorry in advance.

Not that those compilation videos of old EBS tests aren’t interesting, they just don’t teach anyone much.