Re: [time-nuts] NTP Clock suggestions?

2013-05-29 Thread Chuck Forsberg WA7KGX N2469R
One station I worked for in the 60s had a Western Union clock that was synchronized hourly. If you watched it you could see the hands twitch at the top of the hour. On 05/28/2013 05:04 PM, Al Wolfe wrote: I actually built a contraption like this back in the 1970's. As chief engineer at a

Re: [time-nuts] FE-5680A control programs

2013-05-24 Thread Chuck Forsberg WA7KGX N2469R
I added a command to display or change the frequency offset to my ZCOMM program. To use it: port 1 fe [new offset] On 05/24/2013 05:06 AM, Ziggy9 wrote: A few months ago Fabio Eboli posted some Python functions that might be useful. I haven't used or tested them myself, but they

[time-nuts] gpsd 1pps pulse?

2013-05-06 Thread Chuck Forsberg WA7KGX N2469R
I would like to set up a NTP server on a machine running Linux (currently Korora 18). What are the requirements for the 1 PPS signal fed to the carrier detect pin? I presume the 10 us 1pps from the Thunderbolt is too narrow. I assume the rising edge of CD is the one gpsd triggers on. --

Re: [time-nuts] GPS position survey

2013-05-05 Thread Chuck Forsberg WA7KGX N2469R
When doing a position survey, does Lady Heather have to be running? Or does the Thunderbolt do it by itself? -- Chuck Forsberg WA7KGX c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW

Re: [time-nuts] OT - but of interest?

2013-04-26 Thread Chuck Forsberg WA7KGX N2469R
On 04/26/2013 06:01 AM, Bob Smither wrote: As many on this list are amateur radio operators the following might be of interest: http://www.phonesat.org/ The project asks amateurs to monitor transmissions from cell phones that have been placed in orbit. From the homepage: PhoneSat

Re: [time-nuts] T-Bolt Mon and Windows 7

2013-04-21 Thread Chuck Forsberg WA7KGX N2469R
On 04/21/2013 08:28 AM, Chris Albertson wrote: LH will run even under Linux or Macs just fine if you run a Win XP image inside VMware. I'm pretty sure VMware runs on Win 7 or Win 8.So you can always continue to use the Old Win XP even on newer and newer computers. These is a fre version of

Re: [time-nuts] Remote GPS Oscillator Steering

2013-04-18 Thread Chuck Forsberg WA7KGX N2469R
On 04/18/2013 09:23 AM, Hal Murray wrote: i...@g7iii.net said: Oh I know it can handle it, I was trying to avoid a nice 10MHz signal on an unshielded conductor smack on the Amateur Radio 30m band :) It's more RF here than Time/Frequency, and if I can avoid clashes, so much the better... Has

Re: [time-nuts] 10 MHz clock distribution for the lab

2013-04-18 Thread Chuck Forsberg WA7KGX N2469R
On 04/18/2013 09:55 AM, Russ Ramirez wrote: At what point does one require a distribution amp? My TBolt currently provides a reference clock for 2 instruments, and I know of no issues. Since the unit came with the 1:2 Mini-Circuits splitter, I expected this to be the case. If I switched to a

Re: [time-nuts] HP 3586 Problem

2013-03-24 Thread Chuck Forsberg WA7KGX N2469R
On 03/24/2013 06:24 PM, Perry Sandeen wrote: Esteemed Gurus, I was checking out two operational HP 3586B’s which I normally use for RF work on the lower frequencies and found out one would not sync below 300 KHz or so and the other below 200 KHz on the Fo rear output connector. So I

Re: [time-nuts] HP 3586 Problem

2013-03-24 Thread Chuck Forsberg WA7KGX N2469R
On 03/24/2013 09:12 PM, Chuck Forsberg WA7KGX N2469R wrote: On 03/24/2013 06:24 PM, Perry Sandeen wrote: Esteemed Gurus, I was checking out two operational HP 3586B’s which I normally use for RF work on the lower frequencies and found out one would not sync below 300 KHz or so and the other

Re: [time-nuts] Thunderbolt antenna

2013-03-10 Thread Chuck Forsberg WA7KGX N2469R
I bought one of the 40 db gain GPS antennas that were on Ebay some time ago. I had been using a mushroom style antenna with an rg-59 lead that came with one of the Thunderbolts. I have maybe 75 feet of rg-6 lead in. Rg-6 sold for satellite dishes or cable companies should do just fine without

Re: [time-nuts] Lady Heather numbers

2013-02-26 Thread Chuck Forsberg WA7KGX N2469R
All Trimble OCXOs may work in a Thunderbolt, but not all are drop-in replacements. The one I got was much thicker than the original dead part, and the polarity of the control signal is inverted.I got it working but it won't fit in the original enclosure. On 02/25/2013 04:12 PM, Bob Camp

Re: [time-nuts] GPIB counter logging / plotting software?

2013-02-25 Thread Chuck Forsberg WA7KGX N2469R
The most expensive part of the setup is the interface card between the PC and GPIB. Next you will need GPIB cables. A free GPIB package is available for 32 bit Linux. I use it to talk to my Racal-Dana 1992, spectrum analyzers, selective voltmeter, and signal generator. You have to write the

Re: [time-nuts] Loran again

2013-01-31 Thread Chuck Forsberg WA7KGX N2469R
In Oregon Loran-C signals were much stronger than WWVB. Loran-C could provide an alternative to WWVB that actually works in Oregon. Not to mention a fall back to a navigation system that can be jammed by something as small as a can of pop. -- Chuck Forsberg WA7KGX c...@omen.com

Re: [time-nuts] Better gps antennas than a Symmetricom 58532A

2013-01-21 Thread Chuck Forsberg WA7KGX N2469R
RG-6 used for satellite TV has much lower loss than RG-58, and is much cheaper and easier to work with than Heliax or LMR400. On 01/21/2013 10:27 PM, Mark Spencer wrote: Thanks all for the comments and suggestions. Re my contemplated cable choice, my interest in using Heliax is primarily

[time-nuts] eLoran for GPS backup

2013-01-09 Thread Chuck Forsberg WA7KGX N2469R
The Brits are turning their Loran system back on to protect against GPS outages from jamming or space weather: http://www.gpsworld.com/uk-switches-on-eloran-for-backup-in-the-english-channel/ -- Chuck Forsberg WA7KGX c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for

Re: [time-nuts] Is there anything wrong with DCF77?

2013-01-01 Thread Chuck Forsberg WA7KGX N2469R
On 01/01/2013 09:54 AM, Anthony G. Atkielski wrote: For DCF77 a very typical source of trouble is old CRT-based televisions or monitors, since 15625 Hz * 5 = 78125 Hz I suppose someone nearby could have received a collector's-item Trinitron for Christmas. What about Wi-Fi, cell phones, and

Re: [time-nuts] Inexpensive modular gps with 1pps

2012-12-15 Thread Chuck Forsberg WA7KGX N2469R
for some/most systems to capture. They sell a couple of adapter cables, but none of them support PPS. You can stretch the PPS signal with the TAPR FatPPS. http://www.tapr.org/kits_fatpps.html Does this provide 10 MHz or 1pps? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com

Re: [time-nuts] MT3339 PA6H and Racal Dana GPIB

2012-12-11 Thread Chuck Forsberg WA7KGX N2469R
. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm

Re: [time-nuts] Frequency generator and counter on same external reference

2012-11-29 Thread Chuck Forsberg WA7KGX N2469R
and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] WWVB New Modulation scheme...

2012-10-27 Thread Chuck Forsberg WA7KGX N2469R
- Original Message - From: Chuck Forsberg WA7KGX N2469R c...@omen.com To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Friday, October 26, 2012 12:14 AM Subject: Re: [time-nuts] WWVB New Modulation scheme... I have my 3586b slaved to my Thunderbolt

Re: [time-nuts] WWVB New Modulation scheme...

2012-10-25 Thread Chuck Forsberg WA7KGX N2469R
I have my 3586b slaved to my Thunderbolt along with a Flex-1500 radio, Racal-Dana counter, Advantest Spectrum analyzer and Gigatronics signal generator. You might be interested to know KEX 1190 in Portland is about 30 kHz low. At least they aren't spewing IBOC lately. -- Chuck Forsberg WA7KGX

[time-nuts] They're baaaack!

2012-10-01 Thread Chuck Forsberg WA7KGX N2469R
Are LightSquared still trying to get some value from their contributions? http://arstechnica.com/tech-policy/2012/10/lightsquared-still-wont-give-up-on-spectrum-near-gps-band/ http://www.aero-news.net/index.cfm?do=main.textpostid=a2a98f9f-beae-4642-9ba0-a1874805f024 -- Chuck Forsberg WA7KGX

[time-nuts] Why the fuss?

2012-09-27 Thread Chuck Forsberg WA7KGX N2469R
I cannot think of a time-nuts WWVB reference requirement that cannot be better satisfied with a GPSDO. Will NIST publish a public domain reference circuit? That would allay patent concerns. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm

Re: [time-nuts] Gigatronics 6061A Manual request

2012-09-22 Thread Chuck Forsberg WA7KGX N2469R
send it to you (preferably off-line if you don't mind giving me your email address). Regards, Doug, K4CLE Connected by DROID on Verizon Wireless -Original message- From: Chuck Forsberg WA7KGX N2469R c...@omen.com Sent: Fri, Sep 21, 2012 08:40:36 GMT+00:00 Subject: [time-nuts] Gigatronics

[time-nuts] Gigatronics 6061A Manual request

2012-09-21 Thread Chuck Forsberg WA7KGX N2469R
Does anyone have a PDF of the user and/or service manual for a Gigatronics/Fluke 6061A synthesized RF signal generator? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability

Re: [time-nuts] Interesting...

2012-09-20 Thread Chuck Forsberg WA7KGX N2469R
://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass

Re: [time-nuts] New wrist Watch

2012-09-09 Thread Chuck Forsberg WA7KGX N2469R
factor in the accuracy of a wrist watch these days is you reaction time in setting it to the announcements on WWV, I'd go to Walmart or Target and find something cheap. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications

Re: [time-nuts] HP10514B Mixer Terminations

2012-09-09 Thread Chuck Forsberg WA7KGX N2469R
list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc

Re: [time-nuts] 60 Hz line quirks, anybody recognize this stuff?

2012-09-01 Thread Chuck Forsberg WA7KGX N2469R
/mailman/listinfo/time-nuts and follow the instructions there. I have noticed many stalls in Windows lately, possibly the result of Flash and Firefox not getting along. The first plot suggests a multitasking related problem. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer

Re: [time-nuts] HP-5065a bought and finally working!

2012-08-22 Thread Chuck Forsberg WA7KGX N2469R
If it is a really good Rb standard, consider adjusting the standard yourself by measuring the phase over several days once the standard has warmed up and settled down. A GPIB counter with phase measurement is useful for this. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com

[time-nuts] hp 3586 parts

2012-08-02 Thread Chuck Forsberg WA7KGX N2469R
. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 ___ time

Re: [time-nuts] HP 3586B Selective Level Meter

2012-07-30 Thread Chuck Forsberg WA7KGX N2469R
with 1740 Hz , not nearly as useful. Didier KO4BB -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] Active antennas for a Thunderbolt...

2012-07-30 Thread Chuck Forsberg WA7KGX N2469R
on a spectrum analyzer. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

[time-nuts] Cables dor 10 mHz

2012-07-30 Thread Chuck Forsberg WA7KGX N2469R
swamped by leakage from these old cheap cables. This weekend I replaced the lot with fat instrumentation grade cables. This appears to have prevented the Thunderbolt's 10 mHz from messing with Boulder's signal. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial

Re: [time-nuts] HP-3586x Beethoven Test...

2012-07-30 Thread Chuck Forsberg WA7KGX N2469R
The mother of all Easter eggs! The boffins that hacked this code in the 1970s had serious class. This should make these instruments priceless on Ebay. On 07/30/2012 02:03 PM, Burt I. Weiner wrote: “Recall”, “decimal point”, “CENTR FREQ”, “8” and then wait. -- Chuck Forsberg WA7KGX N2469R

Re: [time-nuts] HP 3586B Selective Level Meter

2012-07-26 Thread Chuck Forsberg WA7KGX N2469R
suppliers. Bill Riches, WA2DVU Cape May, NJ -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] 5MHz ocxo

2012-07-25 Thread Chuck Forsberg WA7KGX N2469R
? ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen

Re: [time-nuts] HP 3586 Questions

2012-07-24 Thread Chuck Forsberg WA7KGX N2469R
by the 3586 starting up with 10k input instead of 75 ohms. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

[time-nuts] HP 3586 Questions

2012-07-23 Thread Chuck Forsberg WA7KGX N2469R
connector with a BNC connector? Is there a way to update and/or hack the firmware? Is source code available? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old

Re: [time-nuts] HP 3586B Selective Level Meter

2012-07-20 Thread Chuck Forsberg WA7KGX N2469R
: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Chuck Forsberg WA7KGX N2469R Sent: 19 July 2012 02:22 To: time-nuts Subject: [time-nuts] HP 3586B Selective Level Meter Got one of these massive (by today's standards) beasts the other day. It has the option 003. Quite

[time-nuts] HP 3586B Selective Level Meter

2012-07-19 Thread Chuck Forsberg WA7KGX N2469R
front panel input. Should I get a BNC adapter for it? Or replace it with a BNC connector? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius

Re: [time-nuts] WWVB and Free Democracies Survival

2012-07-14 Thread Chuck Forsberg WA7KGX N2469R
on which list one looks at, NLK transmits on 24.8 with 300 to 1000 kilowatts. Perhaps NLK could be retuned to send the WWVB signal. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High

Re: [time-nuts] Thunderbolt mounting

2012-07-13 Thread Chuck Forsberg WA7KGX N2469R
How about a thermostatically controlled Peltier cooler? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

Re: [time-nuts] Thunderbolt mounting

2012-07-13 Thread Chuck Forsberg WA7KGX N2469R
Forsberg WA7KGX N2469R c...@omen.comwrote: How about a thermostatically controlled Peltier cooler? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old

Re: [time-nuts] Thunderbolt mounting

2012-07-12 Thread Chuck Forsberg WA7KGX N2469R
been removed. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] Thunderbolt mounting

2012-07-12 Thread Chuck Forsberg WA7KGX N2469R
Sorry about the bad URL. I corrected it below. On 07/12/2012 12:22 AM, Chuck Forsberg WA7KGX N2469R wrote: I mounted mine in a cabinet along with a power line filter and power supply. Pics at www.omen.com/wa7kgx/ham.html The filter is important if you are a ham or SWL. The temp hangs around

Re: [time-nuts] HP 117/10509a

2012-07-05 Thread Chuck Forsberg WA7KGX N2469R
there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 ___ time-nuts

Re: [time-nuts] HP 117/10509a...

2012-07-05 Thread Chuck Forsberg WA7KGX N2469R
-C signals were strong enough to overload some active antennas. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503

Re: [time-nuts] Thunderbolt leap second video

2012-07-01 Thread Chuck Forsberg WA7KGX N2469R
A 61 second minute... Just curious - can GPS handle a fall back second? On 07/01/2012 12:50 AM, Esa Heikkinen wrote: Leap second capture of Lady Heather screen. Select 720p to see it properly: http://www.youtube.com/watch?v=DbvMZikqtI4 -- Chuck Forsberg WA7KGX N2469R c...@omen.com

Re: [time-nuts] Naive reference oscillator qustion, but has to be asked!

2012-06-29 Thread Chuck Forsberg WA7KGX N2469R
°C ~ 60°C) Frequency Stability (long term) . . . within +/- 1.0 ppm/year Output . . . . . . . . .. . . . . . . 1.0 Vp-p (10 k ohm // 10 pf) Could the output of a GPS disciplined 10MHz standard be altered in frequency for this purpose? Thanks. -- Chuck Forsberg WA7KGX N2469R c

Re: [time-nuts] NTGS50AA glitches

2012-06-12 Thread Chuck Forsberg WA7KGX N2469R
/time-nuts and follow the instructions there At this level of precision any bump is likely to cause the OCXO to change noticeably. Is tere a way to update a Thunderbolt to the latest version of GPS? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm

Re: [time-nuts] NTGS50AA, better than Thunderbolt?

2012-06-02 Thread Chuck Forsberg WA7KGX N2469R
for the 37265? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] NTGS50AA, better than Thunderbolt?

2012-05-31 Thread Chuck Forsberg WA7KGX N2469R
What is the difference between the -T2 and plain -T??? On 05/31/2012 06:48 PM, Mark Sims wrote: Trimble 34310-T2 -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability

Re: [time-nuts] Something with GPS??

2012-05-28 Thread Chuck Forsberg WA7KGX N2469R
On 05/27/2012 05:41 PM, Chuck Forsberg WA7KGX N2469R wrote: Last evening my Thunderbolt was losing satellites until none were reported usable. At the same time the K5FX Thunderbolt was down to one or no usable birds. This afternoon I dug out my other thunderbolt, the first one I got

[time-nuts] Something with GPS??

2012-05-27 Thread Chuck Forsberg WA7KGX N2469R
or IF to feed a spectrum analyzer? The signal coming down the coax is too weak to see on my analyzers. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old

[time-nuts] Morion Crystal Oscillator Double Oven

2012-05-20 Thread Chuck Forsberg WA7KGX N2469R
Is this any good? Price on Ebay is affordable. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] Lucent 40 dB Antenna

2012-04-24 Thread Chuck Forsberg WA7KGX N2469R
Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 ___ time-nuts mailing

[time-nuts] Lucent 40 dB Antenna

2012-04-10 Thread Chuck Forsberg WA7KGX N2469R
to take it apart but don't wish to break a unit which seems to be working well. Has anyone compared this antenna with the mushroom that came from China with the used Thunderbolts??? -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded

Re: [time-nuts] Improving performance of a GPS antenna...?

2012-04-05 Thread Chuck Forsberg WA7KGX N2469R
/attenuate/absorb L-band signals from one direction? -- Björn ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX

Re: [time-nuts] Improving performance of a GPS antenna...?

2012-04-04 Thread Chuck Forsberg WA7KGX N2469R
/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

Re: [time-nuts] Antenna for T-bolt

2012-04-02 Thread Chuck Forsberg WA7KGX N2469R
, WA2DVU Cape May, NJ ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer

[time-nuts] Interesting article on magnetic storms

2012-03-25 Thread Chuck Forsberg WA7KGX N2469R
http://geomag.usgs.gov/storms/ -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

[time-nuts] New GNSS chips from Maxim

2012-03-17 Thread Chuck Forsberg WA7KGX N2469R
I wonder if a GPSDO could be built around these chips. Original Message Subject:Maxim EE-Mail #12.11 - March 17, 2012 Date: Sat, 17 Mar 2012 10:52:26 -0700 From: Maxim EE-Mail maxim-eemail-notif...@blast.maxim-ic.com Reply-To:

[time-nuts] Chinese credit card fraud

2012-03-16 Thread Chuck Forsberg WA7KGX N2469R
Early this week I noticed two strange charges to my credit card account. An investigation indicates these charges were made in China. FYI. Vigilance advised. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen

Re: [time-nuts] WWVB BPSK Receiver Project?

2012-03-15 Thread Chuck Forsberg WA7KGX N2469R
Clocks working :-) -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] WWVB BPSK Receiver Project?

2012-03-14 Thread Chuck Forsberg WA7KGX N2469R
and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] 0MHz distribution...NOT

2012-03-12 Thread Chuck Forsberg WA7KGX N2469R
output and the input voltage might be marginal. If your instruments have both reference input and output, it's better to daisy chain the units. On 3/10/2012 5:10 PM, Chuck Forsberg WA7KGX N2469R wrote: A month or two ago I had sketched out a simple distribution amp for my 10 MHz reference

[time-nuts] 0MHz distribution...NOT

2012-03-10 Thread Chuck Forsberg WA7KGX N2469R
reference on my Racal-Dana 1992 nanosecond universal counter. That end has a 50 ohm termination on the other side of its T connector. All three devices seem happy with the 10 MHz they are receiving. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM

Re: [time-nuts] Heathkit GC-1000 WWVDO

2012-03-01 Thread Chuck Forsberg WA7KGX N2469R
In the late 70s I added WWVB to the micro that controlled my RTTY autostart station. A circuit in an application manual demodulated the WWVB signal and a software loop synced to the on-the-second transitions and decoded the time information. -- Chuck Forsberg WA7KGX N2469R c...@omen.com

Re: [time-nuts] How best to exchange Large files?

2012-02-21 Thread Chuck Forsberg WA7KGX N2469R
limitations beyond 100MB. cheers - Henry David J Taylor schrieb: Hi: I've used: https://www.yousendit.com/ with no problems. Have Fun, Brooke Clarke .. but the limit on that service has changed from 100 MB down to 50 MB, making it rather less useful to me. Cheers, David -- Chuck Forsberg

Re: [time-nuts] ebay warning

2012-02-21 Thread Chuck Forsberg WA7KGX N2469R
/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

Re: [time-nuts] How best to exchange Large files?

2012-02-21 Thread Chuck Forsberg WA7KGX N2469R
-- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 ___ time-nuts

Re: [time-nuts] How best to exchange Large files?

2012-02-21 Thread Chuck Forsberg WA7KGX N2469R
I *am* uploading the files directly to my Linux server, called Mother (as in Alien). On 02/21/2012 03:48 PM, Chris Albertson wrote: On Tue, Feb 21, 2012 at 3:22 PM, Chuck Forsberg WA7KGX N2469R c...@omen.com wrote: After collecting a new set of data, I need to create a new directory

Re: [time-nuts] How best to exchange Large files?

2012-02-21 Thread Chuck Forsberg WA7KGX N2469R
/mailman/listinfo/time-nuts and follow the instructions there. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R

Re: [time-nuts] Z3801A......????

2012-02-17 Thread Chuck Forsberg WA7KGX N2469R
/mailman/listinfo/time-nuts and follow the instructions there. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX

Re: [time-nuts] Using digital broadcast TV for timing?

2012-02-08 Thread Chuck Forsberg WA7KGX N2469R
it's direct broadcast TV. -- Chris Albertson Redondo Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg

Re: [time-nuts] Windows app for FE5680 info dump

2012-01-25 Thread Chuck Forsberg WA7KGX N2469R
-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High

[time-nuts] Results with second FE5680A

2012-01-21 Thread Chuck Forsberg WA7KGX N2469R
the daily drift to be about 5e-11 which compares to the spec of 2e-11 per day. The other 5680a, the one that pulls 340 ma from the 5 volts, is far better than this. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen

Re: [time-nuts] Reading 1992 counter???

2012-01-20 Thread Chuck Forsberg WA7KGX N2469R
Latest in ftp.omen.com On 01/20/2012 08:33 AM, cfo wrote: On Thu, 19 Jan 2012 11:16:39 -0800, Chuck Forsberg WA7KGX N2469R wrote: I've written a few quickies to pull data from my 1992. Most run for as long as I care to run them. The one I'm attaching invariably flummoxes the counter after

[time-nuts] Reading 1992 counter???

2012-01-19 Thread Chuck Forsberg WA7KGX N2469R
by the time taken to measure the frequency. It runs under Linux with the Linux GPIB package. I am using 32 bit Fedora 16. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability

Re: [time-nuts] FE-5680A adjustment screw?

2012-01-18 Thread Chuck Forsberg WA7KGX N2469R
on a counter? ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer

Re: [time-nuts] FE-5680A won't lock

2012-01-18 Thread Chuck Forsberg WA7KGX N2469R
. I've set the problem child to near +/- FS and about +/- 25% of tuning range: still no lock. Any suggestions on what I should look for or try? I'm not quite ready to throw in the towel and contact the seller. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer

Re: [time-nuts] FE-5680A what is the size of the Torx??

2012-01-17 Thread Chuck Forsberg WA7KGX N2469R
/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] FE-5680A arrived

2012-01-13 Thread Chuck Forsberg WA7KGX N2469R
: Hello, What kind of power supply are you using for it? If a switching one, perhaps this is the origin. Regards, Javier, EA1CRB El 12/01/2012 11:39, Chuck Forsberg WA7KGX N2469R escribió: I received my Ebay Tek 2712 spectrum analyzer Monday and I have been throwing software to read its data

Re: [time-nuts] FE-5680A arrived

2012-01-12 Thread Chuck Forsberg WA7KGX N2469R
fish finders and I'm still learning things about the 2712. It would be nice to have original easy to read printed manuals and/or a high quality PDF. The black and white (no greyscale) PDFs on the internet are hard on the eyes and not searchable. -- Chuck Forsberg WA7KGX N2469R c...@omen.com

Re: [time-nuts] FE-5680A Mechanical Question

2012-01-12 Thread Chuck Forsberg WA7KGX N2469R
/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

Re: [time-nuts] FE-5680A arrived

2012-01-11 Thread Chuck Forsberg WA7KGX N2469R
Beach, California ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com

Re: [time-nuts] FE-5680A arrived

2012-01-11 Thread Chuck Forsberg WA7KGX N2469R
My backup FE-5680A arrived from Nichgeek a while ago. It has a lower serial number than the first one. I have not measured its current draw yet, or checked for 1pps. So far it does not seem as stable as the first one I got. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com

Re: [time-nuts] FE-5680A arrived

2012-01-11 Thread Chuck Forsberg WA7KGX N2469R
Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430 ___ time-nuts mailing list

Re: [time-nuts] Power supply for 'Bay FE-5680A?

2012-01-06 Thread Chuck Forsberg WA7KGX N2469R
m78FO0Trn+6bIBPKrNs8PVQ= =FdtA -END PGP SIGNATURE- ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c

Re: [time-nuts] Power supply for 'Bay FE-5680A?

2012-01-06 Thread Chuck Forsberg WA7KGX N2469R
- ___ time-nuts mailing list -- [6]time-nuts@febo.com To unsubscribe, go to [7]https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R [8]c...@omen.com [9]www.omen.com Developer of Industrial

Re: [time-nuts] phase lock

2012-01-04 Thread Chuck Forsberg WA7KGX N2469R
North Epping NSW 2121 Australia Email: serv...@non-stop.com.au -- Chuck Forsberg WA7KGX n2469r...@omen.comwww.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614

Re: [time-nuts] Thunderbolt? (re simple gpsdo.)

2012-01-01 Thread Chuck Forsberg WA7KGX N2469R
My FE-5680A and Thunderbolt have been well behaved for the last 16 hours. The Thunderbolt is using 3.00 FW and had its feedback settings optimized by Lady Heather. AMU mask is 7.0. No adjustments were made to the Rb during this run. -- Chuck Forsberg WA7KGX N2469R c...@omen.com

[time-nuts] A Tale of two Thunderbolts

2011-12-30 Thread Chuck Forsberg WA7KGX N2469R
Here's the phase vs time for two Thunderbolts. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430

Re: [time-nuts] Thunderbolt? (re simple gpsdo.)

2011-12-30 Thread Chuck Forsberg WA7KGX N2469R
on an auction site. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer

Re: [time-nuts] Thunderbolt? (re simple gpsdo.)

2011-12-30 Thread Chuck Forsberg WA7KGX N2469R
: Phase plot of two Thunderbolts using same antenna but different GPSDO parameters. Plenty of jitter/noise/whatever. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software

Re: [time-nuts] FE 5680a Schematic etc.

2011-12-29 Thread Chuck Forsberg WA7KGX N2469R
:15 AM, Chuck Forsberg WA7KGX N2469R c...@omen.comwrote: Is there a schematic available? I have a Tbolt that came with a failed oscillator that might enjoy whipping an FE5680A into shape. I'm thinking along the lines of a multi megohm resistor connecting the Tbolt DAC output with some point

Re: [time-nuts] FE-5680A Results so far

2011-12-29 Thread Chuck Forsberg WA7KGX N2469R
/time-nuts and follow the instructions there. ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c

Re: [time-nuts] FE-5680A Results so far

2011-12-29 Thread Chuck Forsberg WA7KGX N2469R
to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. -- Chuck Forsberg WA7KGX N2469R c...@omen.com www.omen.com Developer of Industrial ZMODEM(Tm) for Embedded Applications Omen Technology Inc The High Reliability Software 10255 NW Old Cornelius

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