[time-nuts] Datum 9390-6000 Problem

2007-11-10 Thread Mitchell Janoff
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Greetings all. I have a Datum 9390-6000 with the Rubidium frequency standard inside that has been working fine for the past year or so. It requires a high gain antenna and I'm using a Symmetricom 58532A L1 antenna. With this

Re: [time-nuts] Datum 9390-6000 Problem

2007-11-10 Thread Mike Feher
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Mitch - I have about 6 of the 9390 series receivers. Most with Rubidiums and some with OCXOs. I had 3 of them running simultaneously with a Z3801A. They were on an HP antenna running through a 4 way splitter that is widely

Re: [time-nuts] Datum 9390-6000 Problem

2007-11-10 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Mitch: It turns out that the Trimble first generation GPS receivers require a high gain antenna or an amplifier in the feed line to work properly. So one of the antennas that works for them may be what's needed for your

[time-nuts] Mini Magnetic Sensor May Have Biomedical, Security Applications

2007-11-10 Thread Brooke Clarke
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi: NIST has come up with a new magnetic sensor that's in the 3 to 40 fT range. It's based on a Rb cell's sensivity to magnetic fields. It's based on the work done for the Chip-Scale Atomic Clock. See:

Re: [time-nuts] Datum 9390-6000 Problem

2007-11-10 Thread Rob Kimberley
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Mitch, What cable are you using? Units used to ship (when I was selling them ) with the Trimble Bullet II antenna. If your cable is dropping more than 30-35 dB at 1575MHz then you will have problems. You might want to check

Re: [time-nuts] Mini Magnetic Sensor May Have Biomedical, Security Applications

2007-11-10 Thread Robert Lutwak
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY NIST is making it small, which is new, but the technology is well-established. See, for example: http://www.geometrics.com/magnetometers/magnetometers.html -RL --- Robert Lutwak Symmetricom - Technology

Re: [time-nuts] 53131A or 5370B

2007-11-10 Thread Tom Clark, K3IO
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY I have been a strong advocate for the 53131/2 counter since I first encountered in in 1993. Most of my applications are for a time-interval counter (TIC) measuring the time interval between an atomic clock and GPS

Re: [time-nuts] Mini Magnetic Sensor May Have Biomedical, Security Applications

2007-11-10 Thread John Miles
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY There was an interesting homebrew proton-precession magnetometer in Circuit Cellar magazine a few months back. Not very exotic compared to Cs and Rb tech, but somewhat more accessible to experimenters. You fill two 16-ounce

[time-nuts] Administrivia: The Spam Button

2007-11-10 Thread John Ackermann N8UR
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY From Your Humble SysAdmin: I just received a bad-boy message from AOL relating to the Mini Magnetic Sensor email that was posted to the list this afternoon. These messages usually result from an AOL subscriber hitting the

Re: [time-nuts] Administrivia: The Spam Button

2007-11-10 Thread GandalfG8
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY In a message dated 10/11/2007 23:04:14 GMT Standard Time, [EMAIL PROTECTED] writes: I just received a bad-boy message from AOL relating to the Mini Magnetic Sensor email that was posted to the list this afternoon. These

Re: [time-nuts] Administrivia: The Spam Button

2007-11-10 Thread John Ackermann N8UR
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY [EMAIL PROTECTED] said the following on 11/10/2007 06:25 PM: I lost access to my Teknet manual download account a while back, the explanation being that AOL had blocked them from sending to any AOL user. When they

Re: [time-nuts] Administrivia: The Spam Button

2007-11-10 Thread Jack Hudler
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Curious... did it cost you anything to sign up for this white list? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Ackermann N8UR Sent: Saturday, November 10, 2007 5:35 PM To:

Re: [time-nuts] Administrivia: The Spam Button

2007-11-10 Thread John Ackermann N8UR
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY No, just some emails back and forth to prove I was a good guy... John Jack Hudler said the following on 11/10/2007 08:43 PM: Curious... did it cost you anything to sign up for this white list? -Original

Re: [time-nuts] 53131A or 5370B

2007-11-10 Thread Bernd T-Online
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Hi Tom, Tom Clark, K3IO wrote: I have been a strong advocate for the 53131/2 counter since I first encountered in in 1993. Most of my applications are for a time-interval counter (TIC) measuring the time interval

Re: [time-nuts] 53131A or 5370B

2007-11-10 Thread Jeff Mock
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY Bernd T-Online wrote: Hi Tom, Tom Clark, K3IO wrote: I have been a strong advocate for the 53131/2 counter since I first encountered in in 1993. Most of my applications are for a time-interval counter (TIC)