It's not uncommon to have terrestrial TV signals affected under very high pressure with degraded picture quality. I'm not sure if that applies to satellite signals; could be about to find out.
As you said earlier, it's interesting to see the high pressure reinflate after a brief decline. If the models are correct a fair few places in the west of England could see 1,050mb twice.
I'm pretty certain that VHF radio reception can be affected by high atmospheric pressure. I vaguely remember that the distance that the VHF signals can carry is greatly increased under high pressure, so that two stations, broadcasting on the same frequency, but too far apart to normally cause any interference problems, can end up being audible together at places in between them.
I would guess that the old analogue TV signals would have been affected similarly, but I suspect that the digital signals wouldn't be.
Edit to add: The article below gives more information. I'm sure the radio propagation information is reliable, but I'm not sure that the author's meteorological knowledge is exactly right.
https://rsgb.org/main/get-started-in-amateur-radio/operating-your-new-station/vhfuhf-propagation/
Edited by user
18 January 2020 09:59:56
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Reason: Add text as indicated
Angus; one of the Kent crew on TWO.
Tonbridge, 40m (131ft) asl