OK Severin, good to know the other channels are up and running - I'll have to re-tune the TV to pick them all up.
Cheers Neil -- Neil R. Houghton Albany, Western Australia Tel: +61 8 9841 6063 Email: [email protected] on 3/12/11 1:44 PM, Severin Crisp at [email protected] wrote: > Neil > as you know we live up on Mount Clarence, right under the transmitter mast but > in something of a partial shadow. Hence my outdoor antenna points to Mount > Barker, a clear line of sight, with very strong reception on ABC and SBS and > now all the other channels (GWN7, WIN, Ten, 7mate,7two, GO!, GEM, 11, 1) that > came on air digital a week ago. > Severin > > On 02/12/2011, at 11:05 PM, Ray Forma wrote: > >> Neil, >> >> in Albany from Mount Clarence ABC broadcasts its digital TV sub channels on >> channel 8, with unusual vertical polarisation, while SBS's digital sub >> channels are broadcast on channel 41, also vertically. The power of the >> transmitters are 25 and 150 watts respectively. Compare that with Perth where >> the power ranges from 50 to 200 kW; that's about 200 times more power! >> >> From Mt Barker ABC broadcasts its digital TV sub channels on channel 11, with >> unusual vertical polarisation, while SBS's digital sub channels are broadcast >> on channel 29, also vertically. The power of these transmitters are a more >> respectable 50kW and 200 kW respectively. >> >> Because of the vertical polarisation your 'rabbit ears' will work best on >> their side, with one 'ear' straight up, and one straight down. Directionality >> would therefore be irrelevant. >> >> You should be able to determine which digital transmitters you are receiving >> by finding the frequencies of the stations. Your receiver's manual should >> tell you how to determine the frequency of a digital service. >> >> You possible digital channels and their frequencies are: >> >> Ch 8 191.625 MHz >> Ch 11 219.5 MHz >> Ch 29 536.625 MHz >> Ch 41 620.625 MHz >> >> Proposed new digital transmissions from Mt Barker are: >> >> SSW9 Ch12 Vertical Polarisation 50 kW >> WOW9A Ch32 Vertical Polarisation 200 kW >> Commercial Ch35 Vertical Polarisation 200 kW >> Unassigned Ch38 Vertical Polarisation 300 kW >> Unassigned Ch39 Vertical Polarisation 300 kW >> >> Note that throughout I list the actual broadcast channels, and not the silly, >> illogical, 'logical channels' that the broadcasters use for illiterate >> consumers. >> >> I hope the above helps you improve your reception. >> >> On 02/12/2011, at 3:55 PM, Neil Houghton wrote: >> >>> Hmmm >>> >>> Very interesting - and I wouldn't want to argue with your facts - however, >>> it doesn't really reflect my experience. >>> >>> I only have the "rabbit ears" type indoor antenna and analogue reception was >>> (to be expected) poor/hard work so I was expecting to NEED an external >>> antenna when I went digital. >>> >>> However, to my surprise I can get digital OK :o) >>> >>> Tuning the antenna is trickier since the digital looks perfect until it >>> doesn't - that is the picture starts to pixellate and/or the sound drops >>> in/out. >>> >>> My method, since the analogue & digital come from the same transmitter, is >>> to switch the TV to analogue and play with the aerial until I get the best >>> picture (still pretty bad/snowy on SBS) and then switch back to digital and >>> watch my perfect picture. - its then OK till the next time somebody knock >>> the antenna ;o( >>> >>> I do realise it would be better to get a good external aerial (one of these >>> days) but I certainly find, even with my poor antenna, that digital >>> reception is much better than analogue. >>> >>> Note: this is in Albany with just SBS and ABC digital channels - they are >>> just about to FINALLY give us commercial digital channels (not that I've >>> missed them really) so it will be interesting to see in the experience still >>> holds. >>> >>> >>> Cheers >>> >>> >>> Neil >>> -- >>> Neil R. Houghton >>> Albany, Western Australia >>> Tel: +61 8 9841 6063 >>> Email: [email protected] >> >> Regards, >> >> Ray Forma >> Mob +61 (0) 428 596938 >> >> -- The WA Macintosh User Group Mailing List -- >> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> >> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> >> Settings & Unsubscribe - >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> > > ________________________________________________________ > Assoc Professor R Severin Crisp, FIP, CPhys, FAIP > 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia. > Phone (08) 9842 1950 (Int'l +61 8 9842 1950) > email mailto:[email protected] > ________________________________________________________ -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Settings & Unsubscribe - <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
