In message: <435E66DA.5050700 at pacific.net> Brooke Clarke <brooke at pacific.net> writes: : The LORAN-C Timing receivers (Austron 2100T) have a 1 PPS input becasue : the LORAN-C system can not be used to set a clock so the 1 PPS input is : used to mark the top of a second. Why can't a LORAN-C Receiver recover a PPS from the LORAN-C signals? Warner