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 Sheffield D-Star Repeater Group






VHF Port C - 145.7375 (-600Khz) is running the Icom G2 Software from 2008 ....... UHF Port B - 439.7375 - will be changing over so it will be  running IRQDDB  Software , and the GB7SH Fusion Repeater is running in DM mode

GB7SF WEBSITE now at http://www.gb7sf.org.uk

GB7SN  installed  on the Hytera DMR Plus Network to improve system coverage in the South of Sheffield and the Chesterfield /North Derbyshire areas  to Give users the DMR Plus Cool, see http://www.qrz.com/db/gb7sn


VHF (2M) port is on air on high power (10W) and the Antenna will be update in the new year.

GB7SF now has over 369  registered on the Trust Server  and our first overseas visitor on Port B was Connie KB0ZSG, back in 2008 our American representative !

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Sheffield's first Digital D-Star regenerative node was inaugurated at 13:26 UTC on the 19th of April 2008, and the 70 cms port was officially opened on the 12th August 2008 at 16:19 UTC.

GB7SF is located near the summit of Wincobank Hill, Sheffield, South Yorkshire. It has been financed by a small group of local radio Amateurs, and of course any further donations to expand the system, would be kindly received.

GB7SF is currently operating on 145.7375 (TX 145.1375)  at 10 Watts output. We have recently installed a new rack system, a rack mount power supply, a rackmount UPS unit, new TX/RX systems cavity filters, new coaxial feeds and a new antenna. The server cabling has been upgraded to shielded CAT 6 ethernet.

Future plans include the provision of the 1.2Ghz Data and voice units if demand, and assistance, is forthcoming.

GB7SF, running G3 software, is connected to the International Gateway via Port G, and is already proving a popular asset to both local and international users. Please note registration is required to use the gateway locally. If you have not registered with another D-Star Gateway Repeater, please contact Steve M1ERS on the email address provided above. You only ever need to register once to gain access to the Worldwide D-Star System and also its various reflectors.

A very hearty welcome to all our International users/friends from the GB7SF team. You are all welcome to to join us in Sheffield on GB7SF Port C anytime. We also accept WW connections from all DV-Dongle users. Reception reports, comments and praise are always welcomed by M1ERS !

In the UK we are currently using BST (UTC+1) - British Summertime commenced 29th March 2009

For further information please visit our new website, which is being constructed and amended as we speak ! We have recently added some photos of our equipment and exploits to our photo gallery.


Full frequency and coverage information is available on the RSGB Emerging Technology website :- http://www.etcc.rsgb.org/

Users can also access the dplus Reflector systems that allow D-Star amateur radio conferencing around the globe. on only on d-star but now on the DMR Plus Network Great move forward for Amateur radio here in sheffield

Reflector status can be found here: http://dstarusers.org/

For GPS equipped users, DPRS user information is passed via the gateway to the APRS IS and can be seen by all APRS users. To view GPS equipped mobile & local APRS stations see the information at OH7LZB's excellent site :- http://aprs.fi/?call=GB7SF-C


Steve M1ERS

Any further info is available  on any of our Repeaters  GB7SF /C  GB7SF/B GB7SN DMR Plus , GB7SH Fusion , from the repeater keeper Steve M1ERS, by request on air via  any of  the Repeaters  ,  434.500 FM locally or directly via email and Echo/IRLP.

GB7SF Team at the Great Northern Hamfest 2008

See details here :-



8044065 Last modified: 2017-04-20 13:54:00, 5643 bytes

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