CENTRAL SOUTHERN ENGLAND ATV REPEATER

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Details and latest news on local ATV repeater

GB3SQ DIGITAL ATV REPEATER

REGION: BOURNEMOUTH, POOLE, CHRISTCHURCH
SITE : POKESDOWN, BOSCOMBE, BOURNEMOUTH EAST
LOCATION: Nr POKESDOWN STATION IO90CR  16CH SZ125 BH7 6LW
INPUT : DIGITAL: 1249 MHz . Symbol rate: 4000 FEC: 1/2 (any common FEC will work).
INPUTS : AUDIO MAIN SPEECH CHANNEL (LEFT: Channel 1 or A)& DTMF control of repeater extra functions.
INPUTS : AUDIO RIGHT(Channel 2 or B) & DTMF control of repeater extra functions
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For a limited period we are experimenting with an optional 70cm input to evaluate and compare with 23cms input. As many signals as possible are welcomed with reports.
Use 437MHz : 2Ms/s : FEC1/2 . Any valid digital signal on 1249MHz or 437MHz will start the repeater and the BATC stream (allow a few seconds to establish).
2MTR TALKBACK on 144.525 MHz.

OUTPUT:
DIGITAL: 1304MHz. Symbol rate: 4000. FEC: 1/2
VPID:256(=hex 0100) APID:257(=hex 0101) PMTPID:4095(=hex 0FFF)

OUTPUTS : AUDIO MAIN SPEECH CHANNEL LEFT (Channel 1or A. Usually White Phono).
OUTPUTS : AUDIO RIGHT(Channel 2 or B.Usually Red Phono) RELAY OF 144.525 MHz TALKBACK CHANNEL
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ERP 25W
ANTENNA : 23cms ALFORD SLOT shared for receive and transmit.
KEEPER: G8AJN
Repeater will be on STANDBY between 10AM and midnight and will AUTO_START(<5s) when a digital tv signal is detected. Test sequence will transmit 7pm to 8pm each evening. Ident every 10 minutes. Out of these hours, if being used it will remain on until after the input signal drops, the repeater will then give an on-screen countdown to the next Ident then return to standby automatically.This ensures maximum availability with minimum power wastage.When on-air the repeater is streamed live on the www.batc.tv
website.
Built and financed by Bournemouth Amateur TV Group

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This map gives a computer prediction of the coverage expected from this repeater. (courtesy ukrepeaters.net)
Key: Blue=50uV Green=40uV Red=30uV

Tests are run nightly from 7pm to 8pm and net night is Sunday from 8pm to 9pm, all streamed at www.batc.tv
There is a live monthly 'on-air' useage log here
**Initial digital input on 1249MHz, moving to 1244MHz eventually.
See more details and latest updates at www.gb3sq.com

REGION: CENTRAL SOUTHERN ENGLAND



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