Re: [time-nuts] Chinese GPSDOs

2020-04-17 Thread ew via time-nuts
All three seam to be Chinese customer specific devices with focus on time. I bought three of the Trimble units we call them Tbolt 2 because of design similarities. On LH you will notice one thing like the original Tbolt it shows frequency jumps of 1 E -10 but also once every hour it does a

Re: [time-nuts] Chinese GPSDOs

2020-04-17 Thread Matthias Welwarsky
On Freitag, 17. April 2020 16:04:15 CEST Steve - Home wrote: > There are some Chinese GPSDOs currently on eBay, containing a Symmetricom > 10MHz oscillator and a Furuno GT-8031 GPS receiver. Has anyone had any > experience with them? It’s hard to tell from the pictures what the power >

Re: [time-nuts] Chinese GPSDOs

2020-04-17 Thread Bob kb8tq
Hi GPSDO’s come from China for a very simple reason: All the world’s scrap gear is sent to China for “reclamation”. It’s just another element in the great flow of material being recycled. For a variety of reasons China is the destination of choice for electronics scrap. Like it or not,

Re: [time-nuts] Chinese GPSDOs

2020-04-17 Thread Paul Alfille
Leo Bodnar (Great Britain) makes some nice GPSDO devices for reasonable prices, albeit TXCO. http://www.leobodnar.com/shop/index.php?main_page=product_info=107_id=234 On Fri, Apr 17, 2020 at 10:53 AM Tobias Pluess wrote: > I wonder why the only (or at least, most of the) GPSDOs one can find on

Re: [time-nuts] Chinese GPSDOs

2020-04-17 Thread Tobias Pluess
I wonder why the only (or at least, most of the) GPSDOs one can find on eBay are from China. Is there a reason for that? I would like to buy used GPSDOs and OCXOs from other sources because the stuff from China is often of doubtful pedigree and I would never 100% trust one of those. They often

[time-nuts] Chinese GPSDOs

2020-04-17 Thread Steve - Home
There are some Chinese GPSDOs currently on eBay, containing a Symmetricom 10MHz oscillator and a Furuno GT-8031 GPS receiver. Has anyone had any experience with them? It’s hard to tell from the pictures what the power requirements are. I know the GT-8031 is an older 8-channel receiver. I was