Date   : Wed, 25 Nov 2009 20:28:12 -0600
From   : jules.richardson99@... (Jules Richardson)
Subject: Teletext receiver revisited

David Hunt wrote:
>> A televisual equivalent of numbers stations?
>>
>> </conspiracy-theory>
> 
> IIRC there were some remote pumping stations and sluice systems connected
> via UHF to decode messages sent via the hidden VBI lines in Teletext. There
> must be a mechanism to get your message transmitted.

Yes, pumping stations - that's just what they want you to think... ;-)