Christian Kaenzig wrote: > Le Dimanche, 24 Juillet 2005 13:23, thomas schorpp a ?crit : > >>>>status 1f | signal ffff | snr d1d1 | ber 006511de | unc ffffffff | >>>>FE_HAS_LOCK >>>>status 1f | signal ffff | snr d5d5 | ber 006511de | unc 00000071 | >>>>FE_HAS_LOCK >>>>status 1f | signal ffff | snr cfcf | ber 006511de | unc ffffffff | >>>>FE_HAS_LOCK >>>> > > [...] > >>>First, you are running femon while having your adapter used by some >>>software, right (e. g. czap, ..) ? If I run femon without an app. using >>>the card, I get that signal 'ffff'. >> >>sure, you need to tune to a channel first, dont you? >> >>vdr is running here. > > > I asked because sometimes, when I tune to a channel, quit the app and wait 5 > seconds I get exactly that kind of output, i. e. signal ffff, unc fff... and > sometimes FE_HAS_LOCK. > > >>>That said, I also had this kind of problems with some channels at some >>>hours of the day. The transponders around 300 MHz would always work fine >>>but the ones over 500 MHz only between 21h - 08h. I could get the latter >>>almost working all day by plugging the dvb-c card directly to the wall >>>outlet with a short cable. >> >>tuned to ~ 426 MHz at the moment. >> >> >>>So I guessed the signal strength was not high enough for my card on the >>>higher frequencies. I bought an antenna amplifier and that solved my >>>problem. >> >>checked a week before. looped through the antenna amp of my vhs vcr >>since. no diffrence, sorry. > > > Are you sure you vcr has an amplifier built in and not just a 'T' ? The > amplifier I'm talking about was sold for ~ 60 CHF (~ 40 ?) so it might be a > bit expensive just for testing... panasonic nv-hd636, it has an amplifier, this is best design practice for decoupling. anyway, signal strength is full as you can see in the femon log above at the dvb-c card, without, its lower. > > I don't have a vcr around anymore but given the test I did some years ago in > the analog world, my vcr didn't have an amplifier (although it was not a > particularly cheap one IIRC). But things might have changed since then, I > don't know. ive used it with a bt878 analog card before, with good quality gain. > > >>tom > > > Hope this helps, but sorry if it doesn't :) ! > > Christian > thx, tom
