[time-nuts] Hyperterminal with variable baud rate

. Corby Dawson Obama Urges Homeowners to Refinance If you owe under $729k you probably qualify for Obama's Refi Program http://thirdpartyoffers.juno.com/TGL3141/4ce6c0b03463144284m04duc ___ time

[time-nuts] Stand-alone Use of the FE 5650A or 5680A DDS board

by some. Also note the DDS board I used is the one from the 1PPS output units. Hope this is useful! Corby Dawson Moms Asked to Return to School Grant Funding May Be Available to Those That Qualify. http://thirdpartyoffers.juno.com/TGL3141

[time-nuts] Hyperterminal with variable baud rate

like to avoid any hardware kludges and hopefully make the fix in the terminal software. Thanks, Corby Dawson Mortgage Rates Hit 2.67%! If you owe under $729k you probably qualify for Gov't Refi Programs http://thirdpartyoffers.juno.com

[time-nuts] SR 620 problem

John, The battery nominal voltage is 3.0VDC it's a BR-2/3A Corby $13/Month Car Insurance? Insurance deal just passed now allows you to get car insurance for $13 http://thirdpartyoffers.juno.com/TGL3141/4cc63f087da675b930m04duc

[time-nuts] Chuck Norton's passing

Bummer! Chuck was always very helpful and a real stand up guy. Really sorry to hear the bad news! He will be missed. Corby Moms Asked to Return to School Grant Funding May Be Available to Those That Qualify.

[time-nuts] Maser info

own using a low power oscillator to drive a power amplifier and impedance matching network. This has worked very well! Corby Dawson 1 Tip for Losing Weight Cut down 2 lbs per week by using this 1 weird old tip http

[time-nuts] Maser info (vacuum levels)

volume) Pumps are 20 LPS varian triodes. Corby Dawson Moms Asked to Return to School Grant Funding May Be Available to Those That Qualify. http://thirdpartyoffers.juno.com/TGL3141/4c7fdedb5d30e0abfm04duc

[time-nuts] Maser info (rough pumping)

instead of the palladium plug. There are details in some of the maser stuff on-line about its construction. Corby Dawson Refinance Now 3.7% FIXED $160,000 Mortgage: $547/mo. No Hidden Fees. No SSN Req. Get 4 Quotes! http

[time-nuts] Maser (oil diffusion rough pumps)

John F. Google Maser contamination and you will find a Russian blurb describing what I'm talking about. Even with LN2 traps they had problems. Corby Dawson $350,000 Life Insurance Coverage as low as $13.04/month. Free, No Obligation

[time-nuts] Maser/Interociter

Bill, Here's a PIX if it does not get scrubbed off! Corby Mortgage Rates Hit 3.25% If you owe under $729k you probably qualify for Obama's Refi Program

[time-nuts] Maser (RGA)

John F. I don't have an RGA as there are no leaks to speak of in the Maser. I do have an annoying leak in my roughing manifold but plan to pump it down and spray some helium around the suspect area and see if my millitorr gauge will respond. It's a tiny leak as I can do a pumpdown OK but I'd

[time-nuts] Maser (pump life)

John F. The internal pump lifetime is reduced as it has to pump the waste Hydrogen after it leaves the bulb. These pumps elements swell after burying increasing amounts of Hydrogen and eventually short out. Corby Dawson Mortgage Rates

[time-nuts] Maser (pump rebuild)

John F. The pumps can be rebuilt. Duniway Stockroom here in CA. among others does the deed. Corby Moms Asked to Return to School Grant Funding May Be Available to Those That Qualify.

[time-nuts] Maser manual

bottle fittings are no longer available. I'll see if I can post a PIX or two of the Vacsorb pumping station and the ion pumps. Corby Dawson cdel...@juno.com Obama Urges Homeowners to Refinance If you owe under $729k you probably qualify

[time-nuts] homebrew maser

Attila, The precision on the cavity itself does not need to be so tight as a mechanical tuning plunger takes up the initial tuning slack. The varactor tuning covers more than 10Khz This cavity is held at approx. 50 degrees C. The collimator for an active maser is a bundle of MANY hollow glass

[time-nuts] Maser manual

The operation manual for the EFOS maser is on Tom Van Baaks website http://www.leapsecond.com/museum/efos/efos-1.pdf Maintenance manual will follow later as I have to mail a CD to him with the 2nd manual. Corby Dawson 1 Tip

[time-nuts] Homebrew Maser

tune so is a bit less complex in that regard. Spin exchange tuning is the best way to get to the proper operating point. this requires some measurements and then setting the cavity varactor to the calculated voltage. Corby Dawson Obama

[time-nuts] Homebrew H Maser

and a low noise downconvertor. I have, somewhere, a scan of the two manuals. There is lots of theory and full schematics. Might be a good read if you are serious in trying to homebrew one. I'll dig them up and see if anyone could host them on a website. (Files are quite large!) Corby Dawson

[time-nuts] FTS 1000B

I've listed an FTS 1000B on eBay. Item # 320580887914 if anyones interested. Corby Top 2010 Online Colleges Grant Funding May Be Available to Those That Qualify. http://thirdpartyoffers.juno.com/TGL3141/4c78419771a07cdf84m04duc

[time-nuts] PICTIC II PCB group buy

Stanley, Put me down for two. Thanks, Corby Dawson Health Plans From $50/mo. Compare Low-Cost Health Plans Online. Blue Cross, Aetna and more. http://thirdpartyoffers.juno.com/TGL3141/4c30cd19b8c86248a9m04duc

[time-nuts] 5061A Problem Child

Joe, Try swapping the A8 module and see what happens. Corby 2547% Penny Stock Picks? Our last pick exploded 2547% - Join our free newsletter today! http://thirdpartyoffers.juno.com/TGL3141/4c1424f55b5b1597a6m04duc

[time-nuts] High reverse isolation amplifier

even more isolation. (no idea how you could begin to measure the reverse isolation of the two in series!) see: http://www.cliftonlaboratories.com/z1_buffer_amp.htm Corby Dawson Try this Weight Loss Trick Simple weight loss secret

[time-nuts] Tracor 895 vs 527

The Tracor 527E is the same as the 895 with the addition of the frequency difference circuit and meter. Both units have the phase meter which slowly changes with a frequency difference. The frequency difference meter on the 527 gives a steady calibrated indication of the frequency offset. Corby

[time-nuts] Tracor 895A on eBay

I'm rearranging my timing rack and am getting rid of a Tracor 895A + manual and a few oscillators on eBay. Corby Dawson Penny Stock Jumping 2000% Sign up to the #1 voted penny stock newsletter for free today! http

[time-nuts] repairing Maser threads

the lock washer, wait until the goop cures, and then tighten until the lock washer is compressed and the bolt is tight. Just don't know what product to try! Want to be able to disassemble without special tools or heating. Any help is appreciated! Corby Dawson

[time-nuts] 10811 oscillator series 3010A

Hi, I have come across a few 10811 oscillators over the years that had an HP sticker on them stating upgraded to 3010A Anybody know what this entails? Thanks, Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here

[time-nuts] Fw: HP 5065A performance vs. others

( I called it the 5065Jr.). Needless to say the performance suffered. Corby Dawson Diet Help Cheap Diet Help Tips. Click here. http://thirdpartyoffers.juno.com/TGL2141/c?cp=PQJBUaYcIp0Mym_67CB48QAAJ1ABLZFyqoH

Re: [time-nuts] HP 5065A lamp

from the bulb, but the operation of the standard only needs a good output at a very specific frequency (7800 angstroms). So if the wideband light output is down but the 7800A is good the photo-I is low but the RX output is still good! Hope this helps. Corby Dawson

[time-nuts] HP 5065A rubidium lifetime

by applying 5VDC thru a 5ohm 10watt resistor to the TED (thermoelectric device) in the receiver for 6 days or so. Corby Dawson Diet Help Cheap Diet Help Tips. Click here. http://thirdpartyoffers.juno.com/TGL2141/c?cp=NQ

[time-nuts] 5370B OXCO

6.14X10-13th 10 sec 3.52X10-13th 100 sec 3.35X10-13th This of course is a selected unit, but after testing MANY of the different variants it is one of a small percentage of excellent ones. Using it as a counter time base would be a waste! Corby Dawson

Re: [time-nuts] HP K04 59991A Frequency multiplier comparator

BOB, It was one of the special custom built units by HP not listed in the catalogs. Corby Weight Loss Program Best Weight Loss Program - Click Here!

[time-nuts] HP K04 59991A Frequency multiplier comparator

Hi, I just listed a HP K04 59991A frequency multiplier comparator on ebay 320486215475 Details in the listing but any questions welcome. Corby Dawson Small Business Tools Compete with the big boys. Click here to find products

[time-nuts] Self winding clock co. Weatern union clock

. How to I advance or retard the hands to set the time? Also how do I test the synchronizer? I see two Fahnestock clips That look to connect to the synchronizer solenoid. With an appropriate interface can I synchronize it to a GPS 1PPH? Thanks, Corby Dawson

[time-nuts] Low temperature coefficient capacitors for DMTD

the last time I looked. Corby Dawson Banking Click here to find the perfect banking opportunity! http://thirdpartyoffers.juno.com/TGL2141/c?cp=2Y71rDX2T3l4fCP8KwN74gAAJ1ABLZFyqoH

[time-nuts] Low temperature coefficient capacitors for DMTD

Almost forgot! The reason I posted the original message was the reference to four inch long plastic capacitors The PPS capacitors are quite compact and available in surface mount too. Corby Diet Help Cheap Diet Help Tips. Click here.

[time-nuts] Low temperature coefficient capacitors for DMTD

The NBS DMTD uses a .15uf polycarbonate capacitor for the filter channel. The polycarbonate TC is a bit better than the PPS but they are hard to find for the mini DMTD at a decent cost. Most manufacturers no longer make polycarbonate capacitors. The substitution of the PPS capacitors into the

[time-nuts] LPRO in TM500

Dave, The modules I was built went into the TM501 single slot frame. I used the line voltage jumper to raise the voltage from the bridge a bit. I also used a 6800uF capacitor on the bridge output. I used an LM317 regulator and set its output at 22VDC. Hope this helps! Corby

Re: [time-nuts] Cheap Rubidiums

Bob, While not considered cheap you may want to consider an HP 5065A. See my post Short term stabilities of some HP 5065A in the Sept. 2008 Time-Nuts. These were plotted in an uncontrolled environment. As you can see quite a few were in the 7X10-14th range at 1000 seconds. Corby Dawson

[time-nuts] Cheap Rubidiums

Bob, Sounds like a good thing to try. It just depends how many DOXCOs you have to go thru to find one that gives you a decent short term stability in the 1 to 100 second range. I have found that even if the published spec is 1X10-12th at 1 thru 100 seconds actually finding units that perform

[time-nuts] HP 105B Modification

Ed, The easiest way is to couple out the 10Mhz from the two pins on the connector holding the 10811 into a Fet input buffer amplifier that can drive 50 ohms. There are lots of FET buffer schematics floating around. Try the radio amateurs handbook or google it. Good Luck! Corby Dawson

[time-nuts] Bliley 100Mhz oscillator pinout

I bought a couple Bliley 100Mhz oscillators about a year ago, part # NV26R891. Now that I want to use them I can't find the pinout to identify which pins are the EFC and power. Can anyone help? Thanks, Corby Dawson Water Heater Some

[time-nuts] Isolated jacks and ground loops

in parallel with a .1uf capacitor. My understanding is that the capacitor will shunt any RF on the shield to chassis ground, but what does the resistor do? I'm getting the hardware together to change over to SMA on the critical connections and ran into this question. Thanks! Corby Dawson

[time-nuts] FTS oscillator on eBay

Hi, I just posted a very nice FTS oscillator on eBay. 320453093813 It's an FTS 9110/120, take a look. Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/c?cp=f9ihI0gpMIUCK

[time-nuts] Rubidium standard life

into the inner lining of the bulb envelop. Sometimes these bad bulbs show a definite envelope darkening to the eye. Hope this helps. Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com

[time-nuts] LPRO in TM500

and bolted to the top frame of the module. The 10Mhz output is on the front along with a lock LED. Hope this helps. Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/c?cp

[time-nuts] LPRO repair manual

Bruce mentioned an LPRO repair manual. Does it have schematics and if so where can I get one? Thanks, Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/c?cp

[time-nuts] Milliren oscillator on eBay

Hi, I've listed a nice Milliren oscillator on eBay, take a look! item 320438041645 Corby Dawson Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] Gold plating on aluminum

C). Does anyone know of a company that can do this plating for me? Thanks, Corby Dawson Weight Loss Program Best Weight Loss Program - Click Here! http://thirdpartyoffers.juno.com/TGL2141/c?cp=IhkNkkbpEJWPbr9SiYAcgQAAJ1ABLZFyqoH

[time-nuts] Stanford Research SR620 Measurement Bias

Stan. Calibrating the units timebase per page 76 of the manual you can manually adjust the calbyte 4 word until the counter averages zero offset plus minus around the 5Mhz. You will still have the .0060 bias but it will plus and minus 30. Corby Dawson

[time-nuts] Frequency standard books on eBay

Hi, I listed the Riehle book and the Rubiola book on frequency standards on eBay. Corby Dawson All is not lost! Click now for professional data recovery. http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] fts 1200 oscillator on eBay

Forgot to mention the FTS 1200 oscillator on eBay right now! Corby Dawson Need cash? Click to get a loan. http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTFRc5hEnCdmeYppreg2sNh7b9xRu81AoDczVpjBR4PVYw2PsHkLiI

[time-nuts] Cesium tube details

square on the end cap where the spent beam impacts. Is it really bamboo? Kind of neat if it was, ultra hi tech meets ultra low tech! I'll post the link to the pictures once I get the time to do the cutting. Corby Dawson Best Weight Loss

[time-nuts] Cesium tube details

in the game. John Akermann has graciously offered to provide a space for me on his website to post the pictures. I'll take some PIX of other areas of the tube also while I'm in there. Best Regards, Corby Dawson Free Screensavers

[time-nuts] 5071A tube EEPROM and tube data

but HP tubes DO NOT. I'll see if I can look thru my box of ovens and if I have an FTS oven I'll cut it open and see. Corby Dawson I do have PIX of the above but nowhere to post them! Best Weight Loss Program - Click Here! http

[time-nuts] 5071A tube EEPROM and tube data

While copying the EEprom data to use with a new tube might be a copyright violation, removing the EEprom from the defective tube and using it with a replacement tube would not! It is easily removed from a small PC board mounted on one of the tubes connectors! John, There are stages in the EM.

[time-nuts] 5071A tube and EEPROM data

not been able to find the tube parameters in the EEPROMS. If you used the original EEPROM and just modified the thermistor, mass spec., and ionizer values I think the copyright issue would still not apply! Corby Dawson Best Weight Loss

Re: [time-nuts] HP 5065A problem

in the control loop somewhere. (most likely the A9 card) Do check the 3 non hermetic electrolytics on the power supply card to see if they are leaking goo. Any questions please email me. Best Regards, Corby Dawson cdel...@juno.com Best Weight

[time-nuts] HP 5065A latest serial number

Great, Thanks for the help. Looks like 1992 was the last catalog offering the 5065A. Now, anyone having a 5065A or two let me know if they have a serial number above 2816A01693. Trying to see what the last 5065A sold had as a serial number. Best Regards, Corby Dawson cdel...@juno.com

[time-nuts] HP catalogs and HP 5065A

. Thanks all. Corby Dawson cdel...@juno.com Free Life Insurance Quote Get a Free Quote Smart Advice! Compare Rates Save Up To 70% http://thirdpartyoffers.juno.com/TGL2141/c?cp=2h6SXHvr01WBduNAdGympQAAJ1ABLZFyqoH

[time-nuts] DMTD phase shifter

will be jumping around quite a bit! Also make sure that the delay is adjusted so the counter updates every second, you can be updating every two seconds which nullifies the cancellation of the noise in the L.O. Corby Dawson Always a good call. Click

[time-nuts] 5071A cesium tube question

with tube types of 10890A and 10891A respectively. The measured performance of the US prefix tube indicates a standard tube performance as far as short term stability goes. Anyone have any idea what specs would be different on this tube, or what application is was built for? Thanks! Corby Dawson

[time-nuts] Z3801A outer oven

Hi, Has anyone measured the outer oven temp of the double oven HP oscillator in the Z3801A? Thanks, Corby Dawson Criminal Lawyers - Click here. http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] DMTD question

Hi, The delay circuit consists of toggle switch increments of 1 thru 180 degrees in binary steps (using differing lengths of miniature coax cable) as well as a fine adjustment that consists of a couple transistors with varactors. These are built into the unit inside sealed cases and with the unit

[time-nuts] toko tk11650nt to-92 5v regulator data

I've built a circuit using a toko tk11650nt voltage regulator in a TO-92 package I got from Digikey a few years back. I need to know the max input voltage and the pinout to verify before I power the circuit up! Can anyone help? Corby

[time-nuts] DMTD question

run against other oscillators also show that Osc 3 causes a rise in the value at 1 second. Thanks, Corby Dawson Click now for low quotes on great group health insurance plans! http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] RF Mixers for oscillator comparison

Arnold, Look at the top of page 3 on the link below. Not sure how they arrived at their conclusion but there is one opinion on the HP mixers! http://www.unusualresearch.com/AppNotes/TimeNuts/OptDualMixer.pdf Corby Dawson Debt

[time-nuts] Rubidium is good for you

Yes the rubidium 87 isotope is technically radioactive as it does decay and have a half life. However it takes special techniques to measure as the activity level is so low. A piece of granite probably has more radioactivity than the tiny amount in a rubidium standard. This link gives some more

[time-nuts] HP 5062C on eBay

There is another 5062C on eBay from the same source as the last one. Corby Dawson Faster loans with less paperwork. Compare rates. Click to find the right loan. http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] Datum/Trimble 9390

We use the Trimble 9390 where I work. Around the Y2K period we received new EPROM sets to put into the units. I checked yesterday and they are displaying the correct day and year. Let me see if I can find a spare set of EPROMS to download. Corby Dawson

[time-nuts] FTS 1200 / 120 now on eBay

to the design? Making the board smaller and using the PIC to do some more of the work. Best Regards, Corby Dawson Digital Photography - Click Now. http://thirdpartyoffers.juno.com/TGL2141/fc

[time-nuts] 5062C

There's an HP 5062C closing on eBay soon! Corby Digital Photography - Click Now. http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTDvmQXaZXHUpXIpXfIn9vPy8MeNSAJr56d1lnRHNzewbrFrUgLyPu/ ___

[time-nuts] FTS 1200 9110 1000A-100 1000B pinouts here!

NC 8 +28V elect. +28V +28V +28V 9case groundNCNC NC Hope this will help others! Corby Dawson

Re: [time-nuts] next thunderbolt buy

Hi, Put me on the list also. Thanks! Corby Dawson 30 Seconds can save a lifetime. Get it done. Its never been easier. http://thirdpartyoffers.juno.com/TGL2141/fc/BLSrjpTQcxImVtsp1I4ud0g3sh8lLJAlhqMAJGwZKZEbcnSlH6aQmV1jvlW

[time-nuts] FTS 1200 and 9110 oscillator short term stabilities

is built into a vacuum dewar. The B designates units I am testing for a friend, I believe he wants to keep the best one and sell the rest. If that turns out to be the case I will post a heads up when I list them on eBay for him. Cheers! Corby Dawson in California

Re: [time-nuts] Isotemp OCXO36-54M pinout needed

Hi, I bought an Isotemp OCXO36-54M a couple years ago on eBay and used it for a short while. I wanted to run some tests on it but I can't find the pinout! Can anyone help? Much Appreciated! Corby Dawson Find the right voice

Re: [time-nuts] Isotemp OCXO36-54M pinout needed

Thanks, Those are not the ones. The Isotemp OCXO36-54M is approx 2 X 2 X5 with an octal base. Corby Buy and sell stock online. Best online broker. Click here.

Re: [time-nuts] More quartz short term stabilities

Short term stabilities of a bunch of quartz oscillators. I had posted this some time ago but this is an updated version. In answer to Ulrich's earlier question on the FTS 1200 #1 I retested it in the same setup as the FTS1200 #2 and it still showed the results below. The Piezos are the 10811

Re: [time-nuts] Datum 1000B OXCO

on pins 1 3 and 4 and finding the pot at the other end. These 1000B have pins 3 and 4 as shown. In this case pins 1 and 4 connect across the pot and the wiper goes to pin 3. The pot on the 1000B will not have any effect. Hope this helps. Corby Dawson

Re: [time-nuts] FTS Datum 1000A-100

will be adding some more to the quartz oscillator short term stability list I posted last year. A couple FTS1200 with accelerometers + a few more misc. oscillators. Cheers, Corby Dawson Beauty School Programs - Get the career you've

Re: [time-nuts] FTS Datum 1000A-100

Thanks Bruce. Actually the +15VDC is the oven supply and the +24VDC is the electronics supply, kindof surprised me! Corby Dawson Want to put your personal touch on your home? Click for home improvement ideas and tips. http

[time-nuts] FTS Datum 1000A-100

Hi, I have an FTS 1000A-100 oscillator that takes +24VDC on one pin and +15VDC on another to operate. Does anyone have a data sheet that gives the power supply ranges? I like to know if they overlap so I can supply both pins from the same supply. Thanks, Corby Dawson

[time-nuts] Cesium tube ion pumps

David, The long storage is not the cause. Extended operation of the ion pump causes the whiskers to grow. They can give rise to field emission leakage currents. This manifests as a raised ion pump current but does not inhibit proper operation unless the current gets too high. I don't remember

Re: [time-nuts] Thoughts on Cs tube failure modes ([EMAIL PROTECTED])

not try this until the current rises enough to cut off the ovens. Your current is still quite low. Corby Dawson Click for online loan, fast no lender fee, approval today http://thirdpartyoffers.juno.com/TGL2141/fc

Re: [time-nuts] thoughts on cesium tube failure modes

John, You can manually de-gas the ionizer and oven filaments. It looks like you had already brought the oven up to temp so just work on the ionizer. You can bring the voltage up slowly and keep watch on the ion pump current so it does not get too high. Once you have got it up to the rated

Re: [time-nuts] My 5062C tale

Tim, I do have a schematic of the voltage multiplier block in the 5062C ion pump supply. If I remember its 3 diodes and 3 caps. If you'd like I'll dig it up for you so you can repair your module. Corby Dawson Click here for free

Re: [time-nuts] Thoughts on Cs tube failure modes

overtemp resistor. This is the value the Navy uses to get the last bit of life out of the tube, don't do it if you can get the rated beam current at the original value!) If you email me I can give you my evening phone number if you need some more info. Corby Dawson [EMAIL PROTECTED

Re: [time-nuts] 5062C trouble

Tim, The ion pump supply should be on if the unit is plugged in and on. Remove the HV connector from the supply to remove any load and measure the divided test point on the bottom of the chassis. It should read between 2.45 and 3.0 VDC, if not measure from pin 4 of the ion pump supply to

[time-nuts] FTS 4060

Jeffery, No the FTS 4060 does not use an HP 5061B tube (physically too big!) However a 4060 tube can be used in a 5061A/B with a little work. Corby Dawson Are you safe? Click for quotes on a home security system. http

[time-nuts] Efratom MRT schematic

current (with very discharged batteries) is very low. The batteries charge fine if a bench supply is used instead of the MRT supply. Anyone have a copy of the manual or can supply the schematic of the power supply and charger? Thanks, Corby Dawson

Re: [time-nuts] FRSC problem

to ground, will read open until locked and then read a low value when locked.) or it could be wired to give a TTL level output when locked. Lamp voltage shopuld be 8VDC. Hope this helps. Corby Dawson Click here for free information on nursing