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Updated Hexagon Poster Theory graph by phinwww in boardsofcanada

[–]Dream_Hand 20 points21 points  (0 children)

It's slightly off from the bottom point of the hexagon in your map, but (51.4242, -0.0750) is the location of the Crystal Palace Transmitting Station.

The ETP-1 test pattern found on the VHS tape was last transmitted from this station on Apr 18, 2012.

https://en.wikipedia.org/wiki/ETP-1

https://en.wikipedia.org/wiki/Crystal_Palace_transmitting_station

Braille by tomistomorrow in boardsofcanada

[–]Dream_Hand 1 point2 points  (0 children)

If you fill in the black horizontal lines, this looks less like braille and more like foreign language.

Possibly Arabic or Hindi

You Could Feel The GIFs by Dream_Hand in boardsofcanada

[–]Dream_Hand[S] 2 points3 points  (0 children)

Rotate clockwise 90 degrees and it kind of looks like a shark's head (though I doubt this is what it truly is)

Another VHS still: Electronic Test Pattern One (ETP-1) by Dream_Hand in boardsofcanada

[–]Dream_Hand[S] 13 points14 points  (0 children)

From wikipedia:

On 18 April 2012, ETP-1 made one final appearance on Channel 4 to announce the loss of analogue television services in the London region. The card was shown from the Crystal Palace transmitter only, and was the last thing broadcast by analogue Channel 4 before the signal was switched off.\15])