Thanks, Paul. My question was naive in only asking for speed. Several have pointed out that latency is probably more important because the speed is easy to attain. I need to translate this to the characteristics that the providers use, eg ping, which I know little about. From advice I have received here and elsewhere it looks like I will be safe to continue with the project and to concentrate on achieving the lowest latency at each end - for that I will call upon further advice.
73 David G3UNA -----Original Message----- From: elecraft-boun...@mailman.qth.net [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Paul Christensen Sent: 02 September 2018 14:01 To: elecraft@mailman.qth.net Subject: [Elecraft] internet speed for remote K3S >"My experience is exactly that; look out for latency; that is the killer." Apart from use with satellite-based services (e.g., Hughes, maritime VSAT, etc.), I've found latency is reasonably low even from hotel and 4G connections. Jitter will almost always be the dominating factor, especially when using a remote CW connection. I won't even try satellite remoting; it's a horrible experience. From home or when roaming on my iPhone 's WiFi hotspot connection, my QSK CW experience is almost as good as a local connection. The remote site is on Verizon 4G/LTE service with a 30 GB/month plan. I use PingPlotter software that shows typical ping time under 50 ms. from home to my remote site about 30 miles away. The longest measured latency is the link between the Verizon cell site and the 4G router at the shack. That comprises about 50% of the total latency. In between, the service changes hands among several internet transport providers. I just ran a quick test and see 12 hops before it gets to the destination. The path changes from day-to-day. Back to the OP's question of "what speed will give satisfactory results?" Assuming a K3 with RemoteRig, look at the RemoteRig manual, Appendix A for a table that illustrates data consumption as a function of bit rate and whether dual-channel audio is engaged. For example, 12-bit linear, 2 channel audio (for dual receive) requires 240 kbps. That's not much data. Of course, there's going to be other overhead when running applications on the same link. Any of the high speed "light" packages will work fine with the RemoteRig unless using high bit-rate settings. I've noticed no operating issues when using an account with 1.5 Mbps download and 500 kbps upload speeds and when either VNC or TeamViewer is running in the background. My iPhone's WiFi hotspot typically gives 10/5 Mbps service as long as there's ample 4G/LTE signal strength. Paul, W9AC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to d.cut...@ntlworld.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
