Quote:
Originally Posted by nodrogd
It was tested by the IBA in the early 1990s (an ex school friend/work colleague who worked for the IBA was involved in the Foxhall Heath C-QUAM tests) & was successful. However, as with most new technology it was expensive kit & with better quality available on FM, plus the release of more frequencies in the upper sub-band up to 108Mhz it never took off.
An explanation of how the system worked went out in the IBA weekly “digest” for the TV & Radio trade at the time, a copy of which is on YouTube:
https://www.youtube.com/watch?v=Tg3X6dVAYBs
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Thank you for that reply Nodrog.
I recall seeing an edition of Engineering Announcements on YouTube which featured AM stereo hut as you say it never really got beyond testing. I never saw AM stereo receivers being available, and thinking back the best way to introduce AM stereo would probably have been through car radios.