I run remote to W7RN [near Virginia City NV] from Sparks, NV ... maybe
50-60 km road miles away. Trace Route shows that most packets go
through Sacramento, some through San Francisco, some through Los
Angeles. Ping times average about 35-40 ms. BW required by RemoteRig
is much lower than I expected, maybe around 30-60 Kbps both ways. At 40
ms, the latency is just noticeable if I spin the Big Knob really fast.
The RRC 1258 is simplex, no QSK. These data are for CW, I almost never
use SSB, and haven't tried RTTY yet. One of the other users runs FT8
all the time, very successfully. We use Teamviewer to view and control
the station automation, it seems to consume around 300 Kbps under most
conditions. The RRC CODEC has a variety of options, some requiring more
BW than others.
Web cams on the monitor can really increase the BW requirement. They
usually work in a differential mode, sending only the changes from the
last frame. A tree outside the window in a little breeze will make a
huge number of pixel changes in the shack lighting and the camera really
sucks up the BW.
Packet-level reliability is far more important than raw speed. If there
are other devices on your sub-net with high throughput, or if your WAN
is unreliable at packet-level, it may be impossible to operate.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 9/1/2018 12:38 PM, David Cutter via Elecraft wrote:
I will soon be building a remote control station about 20miles away. Both
stations have access to broadband, but what speed will give satisfactory
results?
tnx and 73
David G3UNA
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