Telstra have fiddled the timing for some of the remote GSM cells so that they can now get about 72km from a cell, but of course your handheld phone isn't terribly effective at that distance.
Stuart ----- Original Message ----- From: "Pete Siddall" <[EMAIL PROTECTED]> To: "Discussion of issues relating to Soaring in Australia." <[EMAIL PROTECTED]> Sent: Wednesday, June 02, 2004 4:00 PM Subject: Re: [Aus-soaring] ELT > > Nobody answered about portable mobile phone base stations. Cath Conway? > > Any technical reason why not? I can imagine rescue situations where this > > would be very useful. > > Ordinary mobile phones work only when they can talk to a mobile tower - > not much use if you're 100 km away from the nearest one. GSM phones > actually have a hard cutoff distance, where even if they have a signal > they won't work - is it 17 km or 34 km? CDMA phones work if they have a > signal, regardless of distance, but there's not much signal when you're 50 > km away from the tower. > > If you look at the coverage maps, it's really only the populated areas > that have decent coverage. Which leaves a lot of Autralia. > > Only a satellite phone will help you out in the GAFA. > > -- > Peter Siddall > Riverland Internet > [EMAIL PROTECTED] > _______________________________________________ > Aus-soaring mailing list > [EMAIL PROTECTED] > http://lists.internode.on.net/mailman/listinfo/aus-soaring > _______________________________________________ Aus-soaring mailing list [EMAIL PROTECTED] http://lists.internode.on.net/mailman/listinfo/aus-soaring
