Re: [time-nuts] Z3815A vs Z3816A [Z3805A]

2010-01-18 Thread Steve Rooke
Hi John, 2010/1/18 John Allen j...@pcsupportsolutions.com: 2.it come with the 16 channels GPS module (made by furuno  in japan ) Hp I've tried in vein to find information about the Furuno GPS, even contacting the manufacturers directly :-( But My Z3805A come with Two 10mhz and Two 1PPS Two

Re: [time-nuts] Z3815A vs Z3816A [Z3805A]

2010-01-18 Thread Hal Murray
It actually has two RS232 connections, one tat seems to function similar to the Z3801A/Z3816A and another which I have no clue as to what it does? Some GPS units have a second serial port. I think the idea was that you could feed them data similar to what they now get from WAAS. There

[time-nuts] Z3815A vs Z3816A

2010-01-17 Thread Murray Greenman
Alberto, The Z3815A is certainly less common - except down here in VK/ZL. I have one, and can try to answer your questions. The oscillator used in the Z3815A is generally the HP E1938A, although mine is a more recent Symmetricom version with a Milliren 260 OCXO adaptation. Power supply is 20 -