Bill,
There are *no *good news stories on using RemoteRig over satellite. A
couple of people have been on the RemoteRig Forum where things like this
are discussed at http://www.remoterig.com/forum/index.php and had tried
in vain to get it to work.
As Joe wrote, the latency is too high to make it work. To put it more in
numbers, the speed of light is (only) 300,000 km/s and the
geosynchronous satellites are in orbit at 40,000 km. Therefore, for the
double round trip that is necessary for the packets, you have a trip of
160,000 km. This gives you a latency of 533 ms. Then you need to add on
the normal ground latency that comes on top of this in the 200 ms range,
giving you a delay of about three-quarters of one second! Things get
difficult for SSB once you hit about 200 ms, so this just will not work
due to physics.
73,
Mitch DJ0QN / K7DX
Mitch Wolfson DJØQN / K7DX
10285 Boca Cir, Naples, FL 34109
Skype: mitchwo
USA: Home:+1-239-221-9600 - Mobile:+1-424-288-9171
Germany: Home:+49 89 32152700 - Mobile:+49 172 8374436
On 22.12.2016 17:56, Bill OMara via Elecraft wrote:
Jim and others,
I agree with everything that everyone has said..... That's why I was asking
about a good news story? Has anyone tried it?
Any real first hand reports?
The specs don't always tell the truth, but most of the time they do!
73 Bill W4RM
-----Original Message-----
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim
Brown
Sent: Thursday, December 22, 2016 5:43 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 remote over satellite internet?
On Thu,12/22/2016 1:37 PM, Bill OMara via Elecraft wrote:
Does anyone have any good new story's in running a k3 remoterig set-up
over a satellite internet system? Hughes Net, Exede or others
There are at least two issues. The most obvious is latency -- how much "turn
around" time are you able to tolerate? You've got to make the round trip up
and back to the bird, and that's in addition to digital encoding latency.
The second issue is bandwidth. I've heard that satellite systems aren't
exactly speedy. :)
73, Jim K9YC
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