"A Browne" wrote in message
...

"There was continued top-down advocacy of HD Radio from David Rehr,
but little support from attendees...

Just like FM.

Very little interest from the ground up in the late 50's/early 60's when a
lot of them were signing on.

Actually, there was good interest in FM in it's beginning. Hundreds of
thousands of FM radios were sold while FM was still in the experimental 40
MHz band. Also, many companies thought there was enough of a FM market to
develop different circuits in order to try to get around Armstrong's
patents.

Have as many HD radios sold as 40 MHz FM radios? If I recall correctly,
nearly a million radios were made to receive 40 MHz FM.

Is anybody bothering trying to work around Ibiquity's patents?


That never took root either, did it?


There was plenty of interest in FM in it's early days, but FM had a hard
time establishing itself in competition with new entertainment technology,
that is, television. Early FM didn't have the money to develop interesting
independent programming. While FM didn't die, it was in the doldrums for a
generation, despite it's superior sound and plenty of available channels.

Frank Dresser