On 4/20/2024 9:18 AM, Joe Subich, W4TV wrote:
Similarly, to the AM broadcaster, "Broadband" simply means sufficient
bandwidth to keep the transmitter happy and avoid distortion of an
IBOC digital signal. That is far more narrow than even a "50 KHz
under 1.5:1" for amateurs on 160.
Great points
On 4/20/2024 11:57 AM, Richard (Rick) Karlquist wrote:
> No one has commented on the "High Efficiency" "Broadband" claims,
Unfortunately, "High Efficiency" and "Broadband" are relative terms
and have a different meaning to the AM broadcasters than they do to
amateurs. They amount to nothing more
No one has commented on the "High Efficiency" "Broadband" claims, so I
will. No antenna of this size will simultaneously have both high
efficiency and wide bandwidth, according to established limits in the
literature. See K6OIK's Pacificon paper with the latest refinements
to these limits. Ad