[Elecraft] Remote with Satellite

[Phil Kane]

On 7/7/2018 5:02 PM, Fred Jensen wrote:


> The RT light-time [approx 24,000 miles] is about 250 ms and is
> constant.  There is a latency within the transponder, which used to run
> around 200 ms, I don't know what the newer ones might be, if there are
> any.  That too is probably fairly constant.  There is also some latency
> in the ground terminal equipment, plus the normal latency between it,
> you, and the remote.  That varies over time.  All told, I wouldn't be
> surprised to see RT latency in the 700 -800 ms range.

That sure beats the original geosynchronous latency of over 2 seconds,
really testing the mettle of AT&T's echo suppressors.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon