GB7FC in Blackpool now has the software bridge from DMR to D-Star and D-Star to DMR. ( Via D-Star use DCS005 F / dtmf: D506.) ( Via DMR use Multi S2-TG9 linked 4400 ) This system is only available on Hytera network system, and can also accessed world Wide. I would all like to offer my greatful thanks to Jon(G4TSN)for all his assistance and help for bring this fruition. 73 de Dave (M0AUT)
Norfolk Repeater Group Covering GB3NB, GB3AH, GB7NB and GB3NV AGM on the 27th May 2015 starting at 20:00 meeting held at the Norfolk Amateur Radio Club. Regards, Mark (G0LGJ) [more]
The Largest Repeater Group in Scotland the CSFMG will be holding their AGM on the 7th June at the Crofthead Farm Community Education Centre, Templar Rise, Livingston, EH54 6DG. The meeting will take place after the Ham Convention.
EASTBOURNE RALLY GB6SRF
The Sussex Electronics and Radio Fair is getting close. The special event station will be GB6SRF and QSL cards will be provided to anyone who contacts the various stations. To be held on Sat 6th June and located at the Eastbourne Sports Park. FREE stands are still available to any Clubs, Societies, Groups and Educational plus Trade and Personal stands/spaces are available. If you’re interested in participating, please book now! [more]
GB3HFReported: G4LUENOT OPERATIONAL 25 May Suspected PA failure.GB3GRReported: G8SAUREDUCED OUTPUT The repeater is being tested with new Cavities and antennas, Maintenance is being carried out and there may be periods where the repeater will be off air. Thanks Barry
Time-Division Multiple-Access (TDMA) preserves full channel width and divides it into alternating time slots that can each carry an individual call.
Motorola maintains that two-slot 12.5 kHz TDMA-based systems (providing 6.25 kHz equivalency) is more efficient.
This means that two separate conversations can be handled by the one repeater, on the same frequency but on a different "channel".
TDMA technology for narrowband 12.5 KHz (6.25 equivalent-6.25e) provides advantages of: