Re: [time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread Bob Albert via time-nuts
What is the connector for RS-232 on that Chinese GPS receiver? Bob On Tuesday, September 10, 2019, 02:00:20 PM PDT, Andrew Kohlsmith (mailing lists account) wrote: Good afternoon, Adam, > On Sep 10, 2019, at 9:49 AM, Adam Kumiszcza wrote: > Here I found some info about it: >

Re: [time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread Andrew Kohlsmith (mailing lists account)
Good afternoon, Adam, > On Sep 10, 2019, at 9:49 AM, Adam Kumiszcza wrote: > Here I found some info about it: > https://www.eevblog.com/forum/testgear/bg7tbl-gpsdo-master-reference/ > > OCXO is said to be bliley nvg47a1282 >

Re: [time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread Adam Kumiszcza
Here I found some info about it: https://www.eevblog.com/forum/testgear/bg7tbl-gpsdo-master-reference/ OCXO is said to be bliley nvg47a1282 . GPS is NEO-M8T probably? There's

Re: [time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread David G. McGaw
The BG7TBL design (that happens to be the designer's ham call sign) is also available on eBay in various versions.  I do have one. Seems to work.  The problem I have with it is that it only outputs NMEA from the GPS receiver.  There is no lock info from the serial port. David N1HAC On 9/10/19

Re: [time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread Dana Whitlow
I'd say that for the low price, the critical component (OCXO) can't be a very good one. It's too bad that the seller offers no real specifications (and that he/she doesn't write very good English). I'll be "listening" with interest. Dana On Tue, Sep 10, 2019 at 7:32 AM Adam Kumiszcza wrote:

[time-nuts] Cheap GPSDO with OCXO from aliexpress

2019-09-10 Thread Adam Kumiszcza
Hi! I've found an interesting product on aliexpress: https://www.aliexpress.com/i/33055900193.html?spm=2114.12057483.0.0.1f6e7820MBFZQZ GPSDO allegedly with OCXO, 1PPS and 10MHz BNC output, RS232 output of NMEA and PPS, LCD screen. I see that there are many similar devices there. Did anybody