Hmm, sve je to lepo dok ne dodje do zagushenja u transportnom kanalu, a kada ono nastupi, opet neccesh imati ultra precizno vreme koje chini mi se ti zahtevash. Elegantno, i vrlo precizno reshenje, a pritom ne preterano i skupo su ti DCF-77 prijemnici. Evo i malo info-a a i linkova :
DCF77 is a long wave time transmitter located in Mainflingen, Germany, near Frankfurt.
"D" stands for Deutschland,
"C" means a long wave transmitter and
"F" refers to nearby Frankfurt.
The "77" in the name refers to the carrier frequency of 77.5 kHz.
Transmitter
Transmitter power is 50 kW, ERP is about 30 kW. The signal can be received up to 1500 km from Mainflingen, with sensitive receivers and under good atmosferic conditions up to 2000 km. Although very rare, reception several thousand kilometers away has been reported (like in Bangalore, India: 7400 km).
http://users.pandora.be/nenya/electronics/dcf77/
http://www.hw-server.com/docs/dcf/dcf.html
http://www.is.siemens.de/itps/siclock/en/html/content/dcf77.htm
pomoccu njih ccesh imati onoliko preciznu vremensku referencu koliko ti treba !(ne bash bukvalno, ali vishe nego dovoljno tachnu) Software-a, source-a i svih ostalih informacija za DCF-77 imash u izobilju na svim platformama, tako da to nije nikakav problem.
I naravno, ako su ti mashine blizu jedna drugoj, tj. toliko blizu da mozhesh razvesti signalne kablove od DCF-77 prijemnika do svake mashine, onda cce ti normalno trebati samo jedan prijemnik ! Bolje, jeftinije i preciznije od ovoga neccesh pronacci, a imaccesh ubuducce vrrrrlo precizan sat u kucci ! ;-)))
Eto, nadam se da cce ti ovo pomocci !
Pozdrav