With a quick and easy mod, another option for $35 is a Sure Electronics GPS board.
GPS: http://www.sureelectronics.net/goods.php?id=99 Mod: http://www.satsignal.eu/ntp/Sure-GPS.htm -Alby On 2/7/2014 1:14 PM, Jared Mauch wrote: > Having a number of NTP servers will help you detect false tickers which may > be critical. > > If you want something that is "cheap" as in you for your home, I can > recommend this: ~$350 w/ antenna, etc..