John Goacher wrote: > Tony Grant wrote: > >> Le vendredi 14 décembre 2007 à 13:49 +0000, John Goacher a écrit : >> >>> Your success with Das Erste prompted me to >>> temporarily re-align my dish (Sky minidish) to point to 19.2E to see if >>> I could duplicate your results. The good news is that I get a >>> perfect recording from Das Erste. I recorded about 15 minutes of data, >>> then >>> ran it through TSReader Lite to check for errors. There were absolutely >>> no >>> errors of any kind indicated ! I double checked this by viewing the >>> recording in DVBViewer Pro under XP. >>> >>> This is interesting because the signal strength from Das Erste (as >>> displayed >>> by DVBViewer Pro under Windows XP) is much lower than I'm getting from >>> Astra >>> 28.2E (I'm based in the London area). Das Erste displays a signal >>> strength >>> reading >>> of 41%, whereas the BBC channels at 28.2E (on which I'me seeing high >>> error >>> rates) >>> show signal strengths of around 65%. I think this probably rules out >>> signal >>> quality as >>> the issue, and suggests the problem is somehow related to the channel >>> parameters. >> I have issues with 28.2E compared to 19.2E and always have had. 19.2 >> just works whereas 28.2 is much more finicky. Last week a big storm >> cloud over the Pyreneans blocked all signal for about 10 minutes - BBC2 >> just stopped and it is one of the better signals. During thunder storms >> on 19.2 you have some artifacts but I have never lost the carrier. >> > > Hi Tony, > > I take your point, but the fact that I can receive the 28.2E channels > perfectly with the PCTV under Windows XP, but not under linux (with the same > hardware and feed), strongly suggests the problem is not signal quality. > Similarly, the fact that I can receive Das Erste perfectly under linux, > despite the signal from 19.2E being much weaker at my location, also > suggests this. > When i looked at the pctv452 driver it was based on a older stb0899 driver snapshot. It still is based on the same ? There were many issues fixed in newer changesets, so i don't know whether the issue that you see is really a stb0899 driver issue which has been fixed already or maybe that the pctv device requires some specific settings ? I don't know.. I don't have much info on this device. Regards, Manu _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
