Did you know MOTOTRBO IPSC works through STARLINK? We had to use a VPN with the VPN and IPSC master in our office and the remote units out in the field, but it works. IPSC published spec is 90ms latency, but unofficially it will work up to 300ms per Wayne Holmes. I have seen latency up to 800-900ms between my remote units in the field (all traffic comes back to my VPN hub in my office before going back out to the remote units). Did not expect it to work, had a spare C-Bridge ready to throw at it. Just passing it along. TT
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Did you know MOTOTRBO IPSC works through STARLINK?
- Thread starter TampaTyron
- Start date
- Joined
- Jan 24, 2010
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- 404
What kind of latency are you getting with Slink?
That is good to know.
Have run radio systems through satcom for many years, mostly through Air Force military satellites (very high bandwidth and dedicated channels - not Demand Access Multiple Access [DAMA]), and many Fleetsat maritime satellite communications systems as well while working in the oil industry.
The biggest issue was always educating end users to pause between transmissions, and that it was not full duplex like a telephone.
Have run radio systems through satcom for many years, mostly through Air Force military satellites (very high bandwidth and dedicated channels - not Demand Access Multiple Access [DAMA]), and many Fleetsat maritime satellite communications systems as well while working in the oil industry.
The biggest issue was always educating end users to pause between transmissions, and that it was not full duplex like a telephone.
Seeing average of 100-200ms latency with spikes to 850-900ms. TT
speedway_navigator
Member
Way back in 2002 we had a sat link with Chip Ganassi racing. It had some latency issues, I found a windows registry setting that widened a setting in TCP/IP to help reduce network problems. I remember the engineer made the change and thought it was better.
When I was at Moto, we were deploying NITRO (3.5GHz CBRS) for a bunch of teams. When I asked what happened when all of the teams are running it and interfering with each other? Crickets is what I got back. I beleive all of the various folks running CBRS/OnGo in close proximity will make it not usable in dense urban markets without PAL licensing. TT
Ok........ so the Starlink latency and jitter became so high on our RV Plan that IPSC was not usable due to all audio from site to site was garbled (latency approx 800-900ms and jitter up to 200ms end to end through the VPN hub). So, we have inserted a C-Bridge at the hub location and it is now working much better. Will advise once it has been running more than a few days. TT
speedway_navigator
Member
I was doing an FTP upload on starlink as a thunderstorm rolled in, the rate slowed to a crawl, then picked back up.
I watched starlink BW slow to a crawl when an RC135 Rivetjoint came by then it perked back up after it left the area.
You had an RV plan (probably in a congested cell), which is one of the lowest priorities. I have travelled with my in really rural areas (non congested cell), and seen speeds even faster than at home.
Granted latency varies as subscribers go up & they build out the network, but I’m in rural CO on a “standard” plan, and my latency has been rock solid in the 50-100ms range since the beta days.
