Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-21 Thread David Cole
Speaking of using a GPSDO, I have a quick question... I use a program called SBSpectrum, it shows frequency changes less than one Hz. I note that the K3, does frequency correction in small sawtooth steps of about 1/4 to 1 Hz, across a few seconds of time, repeatedly... It is as if some thresho

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-21 Thread Mike VE3YF
Hi Chuck: I tired sending you an email direct, but it bounced for some reason.  Yes I am now aware of the product from Force-12, actually it comes from Leo Bodnar in the U.K. Very nice unit and probably the way to go. Tnx. 73 De Mike VE3YF http://www.ve3yf.com [http://www.ve3yf.com/]

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-21 Thread Mike VE3YF
Hi Wes: Actually for what it is worth, the board inside are Trimble Boards with a Trimble oven. I have also corresponded with Leo on his 2 GPSDO units. I like the fact that he says I will have no problem using the unit with both of my K3's. Tnx Wes 73 De Mike VE3YF http://www.ve3yf.com [http

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-21 Thread Chuck Catledge
-Original Message- From: Mike VE3YF [mailto:m...@ve3yf.com] Sent: Sunday, December 20, 2015 01:43 To: elecraft@mailman.qth.net Subject: [Elecraft] K3EXREF Ext. Frequency Reference Input Hi: Has anyone used or had experience using the K3EXREF with this item as the 10Mhz source: Trimble GPS

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-20 Thread Bill Hammond via Elecraft
No experience with that model but much information is available on line. I bought the BG7TBL version and a distribution amplifier. The Lady Heather software said it was accurate over several days to the 12th power...way beyond what I need. I use the output for my HP frequency counter and the

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-20 Thread Wes (N7WS)
No experience with any of them here (yet). Looks like a Chinese knockoff with the Trimble name on it. Might be perfectly okay but I wouldn't buy it for that reason. I've looked into buying, put haven't pulled the trigger yet*, one of these: http://www.leobodnar.com/shop/index.php?main_page=p

[Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-19 Thread Mike VE3YF
Hi: Has anyone used or had experience using the K3EXREF with this item as the 10Mhz source: Trimble GPS Receiver GPSDO 10MHz 1PPS GPS Disciplined Clock with RS232 Port http://www.ebay.com/itm/Trimble-GPS-Receiver-GPSDO-10MHz-1PPS-GPS-Disciplined-Clock-with-rs232-port-/252162780444?hash=item3ab6

[Elecraft] K3EXREF Ext. Frequency Reference Input

2015-08-24 Thread PETER HUTCHISON
Hi, Anyone got one of external reference boards (K3EXREF) that is no longer required? If so, let me know how much and approximate shipping cost to UK. Thanks, Peter G4URT __ Elecraft mailing list Home: http://mailman.qth.net/mailman/list