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London area GB7OK and GB3OK Repeaters


United Kingdom > England > Multiple Counties

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London area GB7OK and GB3OK Repeaters

GB7OK & GB3OK amateur radio repeaters from Bromley, South East London. - GB7OK (D Star) repeater has priority but, when there is no activity GB3OK will automatically take over. GB7OK can be identified by short high pitched beeps and very clear audio.

Status: The GB7OK/GB3OK audio server also served MB6SS D Star DV Node which has been migrated to a Raspberry Pi. We are looking for a new location for the audio server so for now the feed will be off for quite a bit of the time.
Amateur Radio
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Feed Notes

GB7OK - 2mtr D-Star   145.7125 MHz   -600KHz Split

Frequency Output 145.7125 MHz, Input 145.1125 MHz
TX RX Split Minus 600 kHz Split (user's, split)
Location Chelsfield, Kent. (close to Junction 4 of the M25)
Locator JO01BI or NGR TQ497643
Station ID Morse GB7OK /C Port C "OK" for Orpington, Kent.
Mode of Operation Digital Voice "DV" (6.25 kHz)
Type of Emission F1D (GMSK); F7W with ID-RP2C
Power 25W ERP
Antenna Diamond X-300 Fixed Base Station Vertical 2x5/8 @ 6.5dB
Antenna Height AGL 9 Metres or 30 Feet above ground level
Base of Mast ASL 284 Metres or 600 Feet above sea level

 

GB3OK -  70cms Analogue  439.5125 MHz  -9.0MHz Split

Frequency Output 439.5125 MHz, Input 430.5125 MHz
TX RX Split Plus 7.6 Mhz Split
Location Chelsfield, Kent. J4 M25
Locator JO01BI or NGR TQ497643
CTCSS Tone "D" 82.5hz (CTCSS access only)
Station ID Morse GB3OK D sent interval 15 minutes at 18 words per minute "OK" for Orpington, Kent borders.
Mode of Operation Wide-Band FM (25 kHz)
Timeout 3mins, The time-out will be indicated by a “beeping” tone
Hang Time 6sec, To re-accessed with a carrier supporting a proper CTCSS tone and speech
Anti-Kerchunker 2sec keep weak signals from chattering repeater
Power 25W ERP
Antenna Diamond X-300 Fixed Base Station Vertical 5x5/8 @ 9dB
Antenna Height AGL 8 Metres or 27 Feet above ground level
Base of Mast ASL 284 Metres or 600 Feet above sea level