[time-nuts] QUALCOMM 1152 Synthesizer Boards

I have two of these that I will never use. I will sell both for $50 and include some paperwork on them I collected. Shipping in the United States will be $19 via Priority Mail. If interested, e-mail me off-line. 73, Dick, W1KSZ Sent from Outlook

Re: [time-nuts] TrueTime XL-AK Issues

that it still shows an "Open" Antenna. Unless I have a major brain bleep, it will be relegated to Organ Donor status. But, one out of two ain't bad !! 73, Dick, W1KSZ Sent from Outlook<http://aka.ms/weboutlook> ________ From: Richard Solomon Sent: Thursd

Re: [time-nuts] TrueTime XL-AK Issues

hey are not in a mode that allows them to lock. > Some > GPSDO’s require a “start” command. Others hold off locking until a site > survey > is complete ( or they have verified the last survey is correct ). > > Bob > > > On May 23, 2018, at 1:31 PM, Richard Solomon <w1

[time-nuts] TrueTime XL-AK Issues

I have had two of these sitting on the shelf for years. Today I decided to see if they work. It's a slow week !! I hooked them up to my external GPS Antenna through my Symmetricon Splitter and looked at the 10 MHz output on my HP 5334B (reference input derived from a Trimble T-Bolt). They

Re: [time-nuts] Cesium Clock Avialable

What would you estimate the shipping cost to Arizona (ZIP 85641) ? Thanks, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of Doug Millar via time-nuts Sent: Friday, May 18,

Re: [time-nuts] Dual GPSDO - any advantage?

In the past I have had excellent experiences with e-Bay when it comes to bad sellers. If the parts never arrive, there is no question, I got a refund. If the parts were not as described, still no problems. e-Bay seems to have been more on the side of the Buyer lately. A far cry from their

Re: [time-nuts] Dual GPSDO - any advantage?

As we say in the world of DX'ing (Ham Radio) ... "Work First Worry Later" I just ordered two of them. If they are bogus, e-Bay will make good on them. 73, Dick, W1KSZ Sent from Outlook From: time-nuts

[time-nuts] Qualcomm 1152 Synthesizer Boards

In rooting through my stash, I found a couple of these boards that I picked up some years ago. Are they of any use these days or has technology made them obsolete ? Thanks, Dick, W1KSZ Sent from Outlook ___ time-nuts

Re: [time-nuts] Looking for some Frequency Electronics info....

I received mine yesterday, fired it up today and the Red Fault light lit up. I expected that. I checked the Power, +5 and +15 looked OK. Nothing out of either 100 MHz spigots. I hooked up the 10 MHz Input to my GPSDO and still nothing out either 100 MHz spigot. Also checked with the Int/Ext

Re: [time-nuts] Looking for some Frequency Electronics info....

There was one listed over on that auction site, it said best offer, so I made a low offer and it was accepted !! Guess my offer was too high !! Anyway, it has the Red Fault Light on, so it has issues too. If anyone finds any info on it, I would appreciate getting it. If I find out anything

[time-nuts] Sick Trimble TBolt

Without any adequate documentation, I decided to probe around the board. I noticed a spot that looks like it takes a PC mount SMA. Looking at the center pin, it looks like the output of the TCXO. I plan to run a small coax from that to the BNC output connector. Perhaps it will make this thing

Re: [time-nuts] Trimble Thunderbolt Issue

One difficulty is in finding a Block Diagram with sufficient information to determine which chip does what. Does one exist ?? Thank you, Richard S. Sent from Outlook From: time-nuts on behalf of Chris

[time-nuts] Trimble Thunderbolt Issue

I have a T-Bolt whose 10 MHz output has dropped off to about 6 mV. Using T-Bolt Mon, all the Alarms are Green and it shows Tracking 3 or 4 Satellites (small Hockey Puck Antenna). Without a schematic I am lost as to where to look. Anyone have any suggestions ? I had to toss an otherwise

Re: [time-nuts] Outdoor GPS Antenna Selection

Just being curious, I took 100' of RG-174 and connected one of those "Hockey Puck" antennas to one of my Trimble Thunderbolts. Stuck the antenna on a south facing window and had no trouble getting a lock. I did not do any fine measurements, just looked at TBoltMon. 73, Dick, W1KSZ Sent

[time-nuts] Trimble Thunderbolt Power Cable Needed

I have a dead T-Bolt that I want to trouble-shoot, but my only Power Cable is in use, so I need another Power Cable. Anyone have a spare that they are willing to part with ? Thanks, Dick, W1KSZ ps: I know I can buy the parts from Mouser, but I don't have the proper Crimp Tool. Sent from

Re: [time-nuts] Z3801A and Z38XX Issues

O, >> FTDI based adapters work better than others. Forego using the Z38XX. >> Try using a plain terminal app and see if you get any weird characters >> echo'd back instead of expected responses. Etc... There are a lot of >> possible causes when a serial connection isn't wor

Re: [time-nuts] Z3801A and Z38XX Issues

r 10, 2017 8:16:17 PM To: 'Discussion of precise time and frequency measurement' Subject: Re: [time-nuts] Z3801A and Z38XX Issues Shouldn't that be 8 data bits? Bill Hawkins -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Richard Solomon Sent: Saturday,

[time-nuts] Z3801A and Z38XX Issues

I have a working Z3801A, it has had an AC Supply added to it and the RS422 port has been reconfigured to RS232. I downloaded and installed Z38XX, configured both the Port and Device to the recommended parameters: Data Rate: 19,200 Parity: Odd Data Bits: 7 All I can get, looking at the

Re: [time-nuts] GPS Antenna Feed Line Decision

One of my "Hockey Puck" antennas has about 50' of RG-174 on it and I have seen no problems locking up. 73, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of William H. Fite

[time-nuts] Looking For Z3801A Software

I came across an HP Z3801A that I had not unpacked, been sitting in the box for 11 years !! Plugged it in and in about 30 minutes it showed a GPS Lock !! Now, the software I have so far found was designed in the Pre- Cambrian era and will not work on my 64 bit WIN10 system. Is there any

Re: [time-nuts] TrueTime XL-AK Questions

so was an era when the standard antenna was fed 12V (rather than 5V) and had 50 db of gain (rather than 20 to 30 db). Most modern hockey pucks will be unhappy with 12V. Bob > On Aug 25, 2017, at 6:13 PM, Richard Solomon <w1...@outlook.com> wrote: > > I was given two of these abou

[time-nuts] TrueTime XL-AK Questions

I was given two of these about 20 some years ago. At that time they both worked fine, except the "keep-alive" batteries were quite low. But they did lock up to the GPS Satellites. I pulled one out today to try out (slow day !!) but I had this nagging feeling that they required a different

Re: [time-nuts] unknown GPSDO

The July 1998 QST had an article on a GPSDO he designed. That may help. 73, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of Volker Esper Sent: Monday, July 17, 2017 2:47:42

Re: [time-nuts] Thunderbolt Monitor Kit by KO4BB

I would like to see what he has done. I have a Raspberry Pi and a Touch Screen just waiting for an application. 73, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of Mark Sims

Re: [time-nuts] Frequency counter questions

At that resolution, you need a very accurate and stable Time Base. A GPSDO may not be good enough for 10 e12 measurements. 73, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of Jerry Hancock

Re: [time-nuts] HP E1938

Mention of the E1938 reminded me that I have a schematic that measures 36" X 72" (yes, 3 feet by 6 feet) !! Talk about readability. Also, somewhere, I still have one of them. I'll need to go find it and try firing it up. Now you got me going again ... 73, Dick, W1KSZ Sent from

Re: [time-nuts] Bye-Bye Crystals

I don't think it's as much the manufacturing process as it is procuring the raw material. 73, Dick, W1KSZ Sent from Outlook From: time-nuts on behalf of Adrian Godwin Sent: Monday,

Re: [time-nuts] 10MHz Square to Sine Wave Conversion

I have a Mini-Circuits BLP-10.7 that I picked up at a Flea Market that does the job. And no, I do not want to sell it !! 73, Dick, W1KSZ On 7/16/2015 10:47 PM, Jason Ball wrote: A would have thought a simple band pass filter would do the job by tuning out the harmonics. On Fri, Jul 17, 2015

Re: [time-nuts] Lucent/Symmetricom Z3810AS, KS24361 - They're Back

Is there a discussion somewhere on these units and how to get them working ? 73, Dick, W1KSZ On 5/20/2015 5:47 AM, J. L. Trantham wrote: Looks like another shipment for those that might have missed them before. Item 221777430088 No connection to seller except satisfied customer.

Re: [time-nuts] New Years Eve TV countdown

Modern Science at it's best ... Some years ago, before the days of Digital TV, I used to compare an OTA NFL broadcast of a certain game with the cable broadcast of the same game. The difference was striking. So, they improved things, now it's all lousy !! 73 es HNY, Dick, W1KSZ On 1/1/2015

Re: [time-nuts] HP 53131A - reset security code

Is there some reason you cannot just ask Agilent ?? 73 es HH, Dick, W1KSZ On 12/23/2014 6:34 PM, Tom Van Baak wrote: Ulli, You're right. The actual procedure is not described in the manual(s): Operating Guide http://cp.literature.agilent.com/litweb/pdf/53131-90055.pdf Programming Guide

Re: [time-nuts] FYI: Galileo satellite recovered and transmitting navigation signals

Dumb Question Time ... Is the Galileo available in North America or only for our overseas brethren ? Tnx, Dick, W1KSZ On 12/5/2014 8:16 AM, Edesio Costa e Silva wrote: Partial recovery of Galileo constellation:

Re: [time-nuts] 10 MHz Filters

). This seems to have worked pretty well for most users. John On 11/27/2014 11:41 AM, Richard Solomon wrote: If you want to see how to really do it right, check out this distribution Amp on the TAPR site. https://www.tapr.org/kits_tadd-1.html 73, Dick, W1KSZ On 11/26/2014 9:08 PM, Perry

Re: [time-nuts] WTT New Lucent GPSDO set

Where are you located ? 73, Dick, W1KSZ On 11/29/2014 7:08 PM, Perry Sandeen via time-nuts wrote: List, My two new OEM Lucent sets arrived today. As I suspected from reading the previous posts, they are a total kettle of fish different from the older *yellow finned* series. Because I

Re: [time-nuts] 10 MHz Filters

If you want to see how to really do it right, check out this distribution Amp on the TAPR site. https://www.tapr.org/kits_tadd-1.html 73, Dick, W1KSZ On 11/26/2014 9:08 PM, Perry Sandeen via time-nuts wrote: List, I have seen on the net a 10 MHz filter using 10.7 IFtransformers but

Re: [time-nuts] Ebay KS-24361 may be gone. I emailed ASI to confirm.

Can you send me the link to this site ? Thanks, Dick, W1KSZ On 11/17/2014 7:00 AM, Bob Camp wrote: Hi At least today, it looks like the auction listing is still up and going. He shows 44 sold and more than 10 available. Price for a pair is the same $150 as it was last week. They do seem to

Re: [time-nuts] MIT Flea

Thanks for the info. 73, Dick, W1KSZ On 8/17/2014 12:19 PM, paul swed wrote: I did see John scooting along the road. The gates had not opened yet. But did not see him after the gates did open. It was a fairly small crowd Regards Paul WB8TSL/1 On Sun, Aug 17, 2014 at 12:57 PM, Richard

Re: [time-nuts] MIT Flea

Speaking of the MIT Flea, I have not read anything from John Forster (sp ?) lately on any of his forums. I hope all is well with him. 73, Dick, W1KSZ On 8/16/2014 10:56 PM, bownes wrote: Apologies for to those not in New England or not going to the Flea. I'm heading out to the MIT Flea at

Re: [time-nuts] 2014 Million £ Longitude Prize

Has the dollar really slid that far or did a decimal pound slide ?? 73, Dick, W1KSZ On 5/20/2014 1:00 PM, Brooke Clarke wrote: Hi: The UK in recognition of the 300th anniversity of the first Longitude Prize is now working on another one. http://www.longitudeprize.org/ A million pounds is

Re: [time-nuts] Looking for WWVB digital wall clock with digital 24 hour UTC display

I bought the MFJ 121-B. Not LED, but I wasn't looking for that option. 73, Dick, W1KSZ On 2/19/2014 4:52 PM, Richard (Rick) Karlquist wrote: Can anyone recommend a atomic wall clock that displays in digital 24 hour UTC? Looking for largest possible digits and LED preferred over LCD, under

Re: [time-nuts] Looking for Dual-Time Atomic Clock

, Richard Solomon w1...@earthlink.netwrote: They look very nice, but kind of big for my desktop !! Thanks anyway, 73, Dick, W1KSZ On 1/22/2014 12:37 PM, Bill Woodcock wrote: All the ones we use are from BRG Precision Products: http://www.brgprecision.com/products/time_zone_displays/index.php

Re: [time-nuts] Looking for Dual-Time Atomic Clock

I have one of those. One clock runs fast, one runs slow. Maybe if I average them out 73, Dick, W1KSZ On 1/23/2014 1:14 PM, bjon...@mindspring.com wrote: On Thu, 2014-01-23 at 12:58 -0700, Brian Inglis wrote: Looks like MFJ-108B

Re: [time-nuts] Looking for Dual-Time Atomic Clock

The 121B will only offset the 5 NA Time Zones. 73, Dick, W1KSZ On 1/23/2014 12:58 PM, Brian Inglis wrote: On 2014-01-21 22:53, Andy wrote: Dick asked, What I am looking for is a way to display Local Time (MST) and Zulu (GMT) time in a small (6 X 8 or similar) package. There must be two

Re: [time-nuts] Looking for Dual-Time Atomic Clock

You are correct, I missed that. If the one I have on order doesn't work, I'll get one of those. Thanks for the heads-up, 73, Dick, W1KSZ On 1/23/2014 1:56 PM, Andy wrote: Richard wrote: The 121B will only offset the 5 NA Time Zones. And Zulu too, right? So aside from the size, it

Re: [time-nuts] Looking for Dual-Time Atomic Clock

They look very nice, but kind of big for my desktop !! Thanks anyway, 73, Dick, W1KSZ On 1/22/2014 12:37 PM, Bill Woodcock wrote: All the ones we use are from BRG Precision Products: http://www.brgprecision.com/products/time_zone_displays/index.php Here's what it looks like on the wall:

[time-nuts] Looking for Dual-Time Atomic Clock

I love that title, nothing Atomic about it but the Marketing types love it. What I am looking for is a way to display Local Time (MST) and Zulu (GMT) time in a small (6 X 8 or similar) package. There must be two displays and both lock up to NBS. Has anyone seen such a thing ? Thanks, Dick

Re: [time-nuts] Looking for Dual-Time Atomic Clock

Only one display, I want two. 73, Dick, W1KSZ On 1/21/2014 4:46 PM, Jeff Stevens wrote: What I am looking for is a way to display Local Time (MST) and Zulu (GMT) time in a small (6 X 8 or similar) package. There must be two displays and both lock up to NBS. I used the MFJ-133RC for quite

Re: [time-nuts] trimble antenna connector

I expect because the cable that was used was RG-6 and the easiest (read: cheapest) connector was the F connector. How would you like to see your cable installer work with BNC connectors !! 73, Dick, W1KSZ On 10/4/2013 9:38 AM, Eric Garner wrote: why do older thunderbolts use an F connector

Re: [time-nuts] A readl atomic wristwatch

I can see it now: TSA Inspector: Sir, what is that watch ? Poor Soul: Oh, that's the new Cesium Watch. TSA Guy: Holy *^*, shut down the airport, call SWAT, HI HI 73, Dick, W1KSZ On 10/1/2013 10:23 AM, Joseph Gray wrote:

Re: [time-nuts] NIST off-line

The problem is that the shutdown deprives some poor worker of his paycheck. The fat cats in DC still get their checks. What if they didn't get paid either. How long do you think this p%^^** contest would last. Great idea, except the very folks that should lose their paycheck must vote on it. Not

Re: [time-nuts] Varian 921-0062 ion pump supply question

Try a Google search on it, you will find the manual. 73, Dick, W1KSZ On 9/19/2013 12:43 PM, cdel...@juno.com wrote: Varian 921-0062 ion pump controlle ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] GPS locked 60Hz?

That's one big Pocket Watch HI HI 73, Dick, W1KSZ On 7/27/2013 12:11 PM, Tim Shoppa wrote: http://leapsecond.com/pages/atomic-nixie/ shows a KVARZ CH1-75 Active Hydrogen Maser (5 MHz) through a HP 3325B synthesizer (60 Hz) through a HP 6827A bipolar power supply (100 VAC) to generate a 60 Hz

Re: [time-nuts] Agilent / HP 117A on eBay...

I had one of those antennas some years ago. sold it to an outfit in Washington State (I was in Boston). IIRC, it was over $300 to ship it UPS due to the size. 73, Dick, W1KSZ On 7/25/2013 6:23 PM, paul swed wrote: Marki the antennas are about 3 foot as I recall not huge, really. But Australia

Re: [time-nuts] How dangerous if a Rb lamp broken?

We had a Lab in Bldg 6 at MIT (Physics Dept.) that had an old Soapstone sink in it. I remember talking to an Old-Timer (now this was in the early 60's) who told me that sink was used to clean the bones of deceased Watch Company workers. They were then tested for Radioactivity levels. It was a

Re: [time-nuts] OT: eBay Contact Congress

I am a long time user of e-pay and did not get the message. So, I too, smell a rat !! 73, Dick, W1KSZ On 4/23/2013 7:22 AM, J. Forster wrote: I'm inclined to think it is genuine, but: As part of their security protocol, eBay tells you to check 'My Messages' by logging onto your account from

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

I guess I'll forgo the pleasures of WIN7 and stick with my XP Laptop. Maybe some day it will different. BTW, I tried a Beta version of Lady Heather, when I try to expand to full screen, the program aborts. This is on a 486 Laptop I have. Is there a working version somewhere ?? Thanks for all

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

An upgrade is out of the question, I use the 486 for radio programming and replacing it just to see how L-H performs is not in the picture. T-Bolt Mon does just fine for what I need, so I'll just stick with it. Thanks for the reply, 73, Dick, W1KSZ On 4/21/2013 12:14 PM, John Miles wrote: I

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

Will T-Bolt Mon work in Windows 7 ? Thanks, Dick, W1KSZ ___ 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.

[time-nuts] Trimble T-Bolt Lock Indication

Dumb question time ... I use T-Bolt Mon to see how my T-Bolt is working. From a cold start, what do I look for to indicate the output is locked to GPS ? 73, Dick, W1KSZ ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] GPS antenna??

Since this for a demonstration, why not use an RbO ? No antenna needed. 73, Dick, W1KSZ On 4/8/2013 9:59 AM, Alan Melia wrote: Hi all an interesting problem you may have encountered, I want to use a GPS frequency standard inside a building with no opening windows (opening windows are known

Re: [time-nuts] Trimble T-Bolt Pin-Out

Got it, thanks. 73, Dick, W1KSZ On 4/3/2013 8:30 PM, Bob Martinson wrote: http://www.leapsecond.com/tbolt-faq.htm 73, Bob, K1REM -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Richard Solomon Sent: Wednesday, April 03, 2013 10

[time-nuts] Trimble T-Bolt Pin-Out

Anybody have the pin-out of the DB-9 connector ? Need to know what is connected to each pin. Tnx, Dick, W1KSZ ___ 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

Re: [time-nuts] Question about FTS 1050A

Just curious, where are you getting these from ? Tnx, Dick, W1KSZ On 4/3/2013 7:21 PM, Robert Darby wrote: A little follow-up. I looked at all four 1000B outputs with the scope; one pair is at 1.2V rms and the second is at .7V rms. The waveform looks clean and is close to the 1.0V and .5V

Re: [time-nuts] Nifty MINI TIC for DMTD work please hold off, 4 channel picture attached

What is the status of this project ? I may have missed a few e-mails. Thanks, Dick, W1KSZ On 11/19/2012 2:52 PM, ewkeh...@aol.com wrote: listPlease hold off, tomorrow I will have a detailed description of the total project. Interest seems to be large and soon we will find a way to make it