Re: [time-nuts] spectracom 8170

2019-09-08 Thread paul swed
The comments are right on. The 8170 depended on the AM signal and a stable carrier phase. This is pretty much the same for all of the old spectracoms. That said you have to use an external box to fix the carrier. I built several different approaches and shared them on Time-nuts. If the archives

Re: [time-nuts] spectracom 8170

2019-09-08 Thread Bob kb8tq
Hi An antenna is pretty much an antenna so it will still work on the “new” WWVB signal. The receiver portion of the setup will indeed have issues with the new signal. The rest of the setup would still work with an alternate approach to the receiver. Bob > On Sep 8, 2019, at 10:55 AM, bill

Re: [time-nuts] spectracom 8170

2019-09-08 Thread Eric Garner
As I recall, as-is these units don't work with the new WWVB signal format. however, some enterprising person on this list has a mod for these units that a search of the archives will discover. -Eric On Sun, Sep 8, 2019 at 10:03 AM bill K7WXW wrote: > I have a stack of Spectracom 8170 WWVB

[time-nuts] spectracom 8170

2019-09-08 Thread bill K7WXW
I have a stack of Spectracom 8170 WWVB synchronized clock boxes, along with the matching antenna and preamp and an RS232 distribution box. I found a little documentation for the antenna and preamp but little else. Wondering if anyone here has any ideas how I might re-purpose them.  They have