You might want to look at this link for useful info on the 5680A, http://www.qsl.net/zl1bpu/PROJ/Ruby.htm, and right down the bottom of this link, http://www.redrok.com/misc1.htm.
73 de Steve On 28/07/2010, Steve Rooke <sar10...@gmail.com> wrote: > Kia Ora Brice, > > On 27/07/2010, Heathkid <heath...@heathkid.com> wrote: > >> Yes, the FEI 5680A's I got are programmable from 1Hz to 20MHz (SMA output >> / >> currently set to 10MHz) plus has the RS232 for programming and one of >> those >> pins (besides the Rb lock pin that goes low and I've got a LED on it) has >> the 1pps. Besides the "C" field potentiometer it also has a 0 to 5V fine >> tune voltage. The slowest of the three takes only about 4 seconds to >> achieve Rb lock. Here are the exact units I got (and "flyingbest" is a >> great and honest seller): >> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=180435915714 > > Not the cheapest I have seen but at least you have a full kit and they > are the programmable ones. What's the PSU like, how good is the > regulation on it as this will have a factor on how clean the output > is. Monitor the voltage at startup right through to it running stable > and see if it changes. There seems to be no requirement for +5V for > programming the device in the listing you quote but others have > indicated that this needs to be connected to pin 4 of the DB-9. That > being said, the info I have, > http://www.mail-archive.com/time-nuts@febo.com/msg01569.html, does not > show a C field adjustment on pin 8. The SMA connector looks like it > has been retrofitted IMHO so it would be interesting to pop the hood > and look for any mods done by the seller. > >> The Thunderbolt I bought from fluke.l as he seems to be the "TBolt seller >> of >> choice" around here. I also got the LCD display option (looks like fun >> to >> see what it's doing when not connected to a PC). > > Yes, I'm yet to get one of those LCD displays although there is quite > a discussion thread on these in the archives and you can see the > background to this. Before you put the LCD display on for long term > use, I suggest you run it with Lady Heather to see how it it is > tracking sats and stabilising. The tuning of the PLL constants is the > subject of quite a few threads in the archives so you can learn a lot > from that. Once your happy that it's running fine, connect the LCD > display but I'd run it for a few weeks before you get to that stage as > the ocxo will have been sitting on the shelf cold and you want to see > how that is shaping up (this will take months before the xo really > beds in). You should also keep an eye on it continuing to track sats > as some people have found that their TB's have completely lost the > plot at times. When you first start it up it won't know what the heck > is going on as the location it was last running will be internally > stored and it will be looking for sats in the sky and not seeing them. > You should make sure it does a survey straight away so that sanity is > restored and/or you can enter your exact location of the antenna if > you know that. > > I don't know your location but you should make sure that your antenna > is located in a good position where it has a good sight to the south > and look out for multipath reception, trees, buildings, etc. but your > a ham anyway and must be in a good position to fix it up as your doing > QRP. > >> Okay, so today... I bought a "real" frequency counter. After a LOT of >> looking and reading... I chose a HP 5335A. It has option 10 (Oven >> Oscillator) and 030 (C Channel 1.3 GHz ) plus the HPIB plus math and >> statistics functions standard and includes operating and service manuals >> on >> CD. It'll also be calibrated just prior to shipping to me (current Date >> Due >> 03/19/11) but it will be re-calibrated just for me so at least I know >> it'll >> work and if there is a problem, I can return it. :) > > Well, that's a nice purchase and I'm sure it will serve you well. > >> So, now I have the following (when the rest shows up): >> >> (3) FEI 5680A Programmable Rubidium Frequency Standards w/ 1pps >> (1) Thunderbolt "Complete Kit" w/ LCD display - from fluke.l >> (1) HP 5335A Universal Counter w/ Options 10 (Oven Oscillator) & 030 (C >> Channel 1.3 GHz) > > Well, that's a start, or should I say, the slippery slope :) You'll > have a good setup with this and have a decent frequency standard for > your lab equipment. You can program those 5680A's to output directly > on some of the HF bands and have a Rb controlled QRP rig :) > >> Hopefully, Stanley got my payment for the PICTIC II boards and I got an >> email back from Bob about getting me on the list for the programmed PICs. > > All you need now is a DMTD and you'll be in a good position to things > like ADEV measurements on your sources. As the Rbs are not great at > close-in ADEV, it would be worth while looking for the dual-oven HP > 10811. > >> That's where I'm at right now. > > Well, your doing OK. > > 73 de Steve ZL3TUV & G8KVD > >> 73 Brice KA8MAV >> >> >> >> ----- Original Message ----- >> From: "Steve Rooke" <sar10...@gmail.com> >> To: "Discussion of precise time and frequency measurement" >> <time-nuts@febo.com> >> Sent: Monday, July 26, 2010 7:54 AM >> Subject: Re: [time-nuts] Symmetricom X72 >> >> >>> Yes, it's because of the various types that you need to verify exactly >>> what you have. A number of them are made to customer specifications >>> with undocumented option numbers but if you have anything like an >>> option 8 then you have the 1Hz to 20MHz version. Beware that to >>> program the thing you need to provide +5V as well as the +15V to run >>> it. Along with the output options, there are a slew of options on such >>> things as ageing and temperature stability. If you have one from a >>> telecom's cellular tower, it's likely to be of higher spec. >>> >>> Steve >>> >>> On 26/07/2010, Bob Camp <li...@rtty.us> wrote: >>>> Hi >>>> >>>> One issue with the FE's is they often show up as conversions. Various >>>> sellers take the 1 pps version and hack in a 10 MHz output. There is a >>>> lot >>>> of room for error in the conversion process. >>>> >>>> Bob >>>> >>>> >>>> >>>> On Jul 26, 2010, at 7:06 AM, Steve Rooke <sar10...@gmail.com> wrote: >>>> >>>>> Brice, >>>>> >>>>> On 26/07/2010, Heathkid <heath...@heathkid.com> wrote: >>>>>> Last night, as suggested by several people on this list... I ordered >>>>>> a >>>>>> Trimble Thunderbolt from Bob Mokia, fluke.l so I should be in pretty >>>>>> good >>>>>> shape there to get started once it arrives. >>>>> >>>>> Sounds like your starting on the long path to time-nuttiness :) Bob >>>>> has supplied a lot of stuff to people on this list and he will look >>>>> after you if anything is amiss. >>>>> >>>>>> The counter I mentioned (it's a DFD4 - modified with the tcxo as the >>>>>> "a" >>>>> ... >>>>>> anyway). :) By the way, when I built it, I calibrated it by zero >>>>>> beating >>>>>> against WWV at 10 and 20 MHz. That was the best way I had at the >>>>>> time >>>>>> and >>>>>> if the DFD4 is now 7 Hz off after all these years... it's not doing >>>>>> so >>>>>> bad >>>>>> (based on it's limitations). >>>>> >>>>> Not bad considering it's a TCXO. >>>>> >>>>>> So... that's what that counter is for and not for what I'm doing now. >>>>>> I'm >>>>>> currently looking for a nice/used HP counter. Please don't think I'm >>>>>> going >>>>>> to use the DFD4 for measuring my Rb standards. It's a wonderful >>>>>> counter >>>>>> for >>>>>> what it was designed for and that's it. >>>>> >>>>> Dependant upon what your looking for in a counter, you could broaden >>>>> your choices as there are other useful counters out there that may be >>>>> more affordable but still as good. Try looking for a Racal-Dana 1992, >>>>> preferably with the high stability option timebase (although these >>>>> turn up seperately anyway and are a doddle to fit). It makes a nice >>>>> footprint 1ns counter and can be referenced to your T'Bolt. >>>>> >>>>>> I'm not giving up on the FEI's anytime soon. I understand now that >>>>>> along >>>>>> with the Trimble Thunderbolt (and a decent counter) I'll be on my way >>>>>> to >>>>>> "getting started". >>>>> >>>>> You'll have to see if those FEI's are the programmable types which can >>>>> be set to produce frequencies up to 20MHz. Do they have jut the D'Sub >>>>> connector or have an RF connector as well. There are different >>>>> variants of these produced by FEI under the same product code. >>>>> >>>>> 73 de Steve ZL3TUV & G8KVD >>>>> >>>>>> 73 Brice KA8MAV >>>>>> >>>>>> >>>>>> ----- Original Message ----- >>>>>> From: "Steve Rooke" <sar10...@gmail.com> >>>>>> To: "Discussion of precise time and frequency measurement" >>>>>> <time-nuts@febo.com> >>>>>> Sent: Sunday, July 25, 2010 8:40 AM >>>>>> Subject: Re: [time-nuts] Symmetricom X72 >>>>>> >>>>>> >>>>>>> Excuse my replying to my own posting please. >>>>>>> >>>>>>> This post is really about the DFD1 frequency counter. >>>>>>> >>>>>>> Heathkid: You are comparing a Rb against a frequency counter with a >>>>>>> TCXO that you tweaked yourself to calibrate it against no known >>>>>>> frequency standard. Try running the three FEI-5660s for 24 hours and >>>>>>> then measure the output of each with your frequency counter. Pick >>>>>>> the >>>>>>> mean of them and adjust your DFD1 to match that. At least you should >>>>>>> be in a better position than you are now. >>>>>>> >>>>>>> As you built the DFD1 yourself, you should have the schematic and >>>>>>> may >>>>>>> be able to engineer in a connection for an external reference. There >>>>>>> is plenty of people here who would be happy to advise you on a >>>>>>> suitable interface if you can attach the part of the circuit where >>>>>>> the >>>>>>> TCXO is located. If you do get a T'Both, you would be able to use it >>>>>>> as a reference or, perhaps, build in one of the FEI-5660s as an >>>>>>> internal reference. The limiting factor though is how good is the >>>>>>> circuit used in the DFD1 which will limit it's stability and >>>>>>> accuracy. >>>>>>> There are many factors, including input circuit, voltage regulation, >>>>>>> counter stage design, level detection, etc. which have a major >>>>>>> impact >>>>>>> here. What I'm getting at is that to write-off a bunch of FEI-5660s >>>>>>> after checking them with such a device as this, is a very poor >>>>>>> decision. >>>>>>> >>>>>>> Maybe you could look at a better counter on fleeBay before you make >>>>>>> further assumptions. >>>>>>> >>>>>>> 73, >>>>>>> Steve >>>>>>> >>>>>>> On 26/07/2010, Steve Rooke <sar10...@gmail.com> wrote: >>>>>>>> Sage advice Bill! >>>>>>>> >>>>>>>> Heathkid, you don't need another Rb unit when you have 3 perfectly >>>>>>>> decent ones! You really need a standard to calibrate your Rb units >>>>>>>> to, >>>>>>>> a Trimble Thunderbolt is likely to be the cheapest choice for you. >>>>>>>> Bob >>>>>>>> Mokia, fluke.l, on fleeBay sells them separately or as a starter >>>>>>>> kit >>>>>>>> with everything there to get you going. Once you have this up and >>>>>>>> running for quite some time and see that things are looking stable >>>>>>>> in >>>>>>>> the Lady Heather application, then you can start to think about >>>>>>>> calibrating the FEI-5680's but only after you have run them in >>>>>>>> well. >>>>>>>> I >>>>>>>> don't know your counter but does it have an input for an external >>>>>>>> reference source? If so you will be able to use the T'Bolt as an >>>>>>>> external reference for it, providing the required reference is >>>>>>>> 10MHz. >>>>>>>> If it's not, you can divide down the T'Bolt's output to match. If >>>>>>>> your >>>>>>>> frequency counter has no reference input (apart from throwing it in >>>>>>>> the bin) you should be able to engineer it into the instrument, >>>>>>>> depending on your skill set. >>>>>>>> >>>>>>>> So, first get yourself a frequency standard to work with, IE. a >>>>>>>> T'Bolt >>>>>>>> or the like. >>>>>>>> >>>>>>>> My 2c worth, >>>>>>>> Steve >>>>>>>> >>>>>>>> On 25/07/2010, WB6BNQ <wb6...@cox.net> wrote: >>>>>>>>> To Bob and Stan (W1LE), >>>>>>>>> [p.s. But not just to you two alone] >>>>>>>>> >>>>>>>>> >>>>>>>>> Why complicate the answers to Heathkid (now Brice KA8MAV) with a >>>>>>>>> bunch >>>>>>>>> of >>>>>>>>> different directions that should only be decided after one gains >>>>>>>>> enough >>>>>>>>> knowledge and understanding (they are not the same) to properly >>>>>>>>> grasp >>>>>>>>> the >>>>>>>>> subject matter ? ? ? ? >>>>>>>>> >>>>>>>>> Clearly Heathkid needs some guidance. The form should be to start >>>>>>>>> out >>>>>>>>> with >>>>>>>>> the very basics and get his feet on the ground. He already has >>>>>>>>> three >>>>>>>>> (3) >>>>>>>>> Rb >>>>>>>>> sources that should keep him busy for quite some time. However, >>>>>>>>> his >>>>>>>>> counter >>>>>>>>> is really junk from a lab point of view. Nonetheless, even it can >>>>>>>>> be >>>>>>>>> useful >>>>>>>>> if it is understood how to apply it after understanding its >>>>>>>>> limitations. >>>>>>>>> >>>>>>>>> What Heathkid needs to understand is it is not about equipment. >>>>>>>>> It >>>>>>>>> is >>>>>>>>> all >>>>>>>>> about how to measure and account for errors and unknowns. >>>>>>>>> Actually, >>>>>>>>> quite >>>>>>>>> a >>>>>>>>> daunting task depending upon the level of achievement. >>>>>>>>> >>>>>>>>> I agree he needs some kind of external reference and I agree the >>>>>>>>> Trimble >>>>>>>>> Thunderbolt (Tbolt) would be the right item for his true >>>>>>>>> reference. >>>>>>>>> Even >>>>>>>>> the Tbolt has its issues that need to be understood. >>>>>>>>> >>>>>>>>> He will also need a method of comparison. The oscilloscope is a >>>>>>>>> good >>>>>>>>> start >>>>>>>>> but very tedious. Here Burt's project would help him a lot when >>>>>>>>> Burt >>>>>>>>> gets >>>>>>>>> it done. I guess he is close. I guess, also, the PICTIC II would >>>>>>>>> fit >>>>>>>>> the >>>>>>>>> bill after he understands what it is. >>>>>>>>> >>>>>>>>> Still he needs to understand how to apply and use this stuff. >>>>>>>>> Confusing >>>>>>>>> him >>>>>>>>> with suggesting all of the different Rb sources available is only >>>>>>>>> making >>>>>>>>> him >>>>>>>>> think a better one { relative statement } would be the answer >>>>>>>>> which >>>>>>>>> is >>>>>>>>> not >>>>>>>>> true. His FEI-5680's are so much better for his particular level, >>>>>>>>> it >>>>>>>>> is >>>>>>>>> not >>>>>>>>> even funny. >>>>>>>>> >>>>>>>>> What has not been asked of him is what are his goals and >>>>>>>>> intentions. >>>>>>>>> If >>>>>>>>> it >>>>>>>>> is to just say you have an atomic frequency reference, then sit >>>>>>>>> the >>>>>>>>> FEI-5680 >>>>>>>>> on the coffee table; job done. One cannot be properly guided if >>>>>>>>> the >>>>>>>>> goals >>>>>>>>> are unknown. >>>>>>>>> >>>>>>>>> Bill....WB6BNQ >>>>>>>>> >>>>>>>>> >>>>>>>>> Bob Camp wrote: >>>>>>>>> >>>>>>>>>> Hi >>>>>>>>>> >>>>>>>>>> The only way to be sure of what's going on is to have several >>>>>>>>>> (hopefully) >>>>>>>>>> accurate references. With at least three you can begin to guess >>>>>>>>>> how >>>>>>>>>> good >>>>>>>>>> they are. >>>>>>>>>> >>>>>>>>>> The TBolt is different from the Rb in a couple of regards: >>>>>>>>>> >>>>>>>>>> 1) It's short term stability isn't as good when locked tightly to >>>>>>>>>> the >>>>>>>>>> GPS. >>>>>>>>>> 2) It's long term stability is much better than the Rb when it's >>>>>>>>>> locked. >>>>>>>>>> 3) It's easier to tell what's happening with it if you hook up a >>>>>>>>>> PC >>>>>>>>>> and >>>>>>>>>> the Lady Heather (free) program. >>>>>>>>>> >>>>>>>>>> The Rb will need a couple of things to make it play right: >>>>>>>>>> >>>>>>>>>> 1) It's got to have a pretty good heat sink on it. An 8 x 10" >>>>>>>>>> piece >>>>>>>>>> of >>>>>>>>>> 1/4" aluminum is a reasonable start >>>>>>>>>> 2) It's got to be run for a while (possibly 24 hours) before it >>>>>>>>>> will >>>>>>>>>> be >>>>>>>>>> stable >>>>>>>>>> 3) You need to watch the lock, and lamp voltages to be sure it's >>>>>>>>>> not >>>>>>>>>> doing >>>>>>>>>> something crazy. >>>>>>>>>> >>>>>>>>>> My recommendation based on cost is the Efratom LPRO for a cheap >>>>>>>>>> Rb. >>>>>>>>>> They >>>>>>>>>> are in the ~$60 range and seem to work pretty well. >>>>>>>>>> >>>>>>>>>> Setup wise, I would get a TBolt in addition to the Rb. You need >>>>>>>>>> something >>>>>>>>>> to calibrate the Rb (and your counter TCXO) against. Both are >>>>>>>>>> "secondary" >>>>>>>>>> standards. They (unlike a Cesium) are adjusted to match a known >>>>>>>>>> good >>>>>>>>>> reference. >>>>>>>>>> >>>>>>>>>> Once you have the Rb and the TBolt, next step is up to you. >>>>>>>>>> Cesium >>>>>>>>>> is >>>>>>>>>> always an alternative, so's a Hydrogen Maser .... >>>>>>>>>> >>>>>>>>>> Bob >>>>>>>>>> >>>>>>>>>> On Jul 24, 2010, at 3:32 PM, Heathkid wrote: >>>>>>>>>> >>>>>>>>>>> Hello Bob, >>>>>>>>>>> >>>>>>>>>>> What would you recommend? I already have three FE-5680A Rb >>>>>>>>>>> standards >>>>>>>>>>> (which I'm quickly learning likely aren't worth the powder to >>>>>>>>>>> blow >>>>>>>>>>> them >>>>>>>>>>> to (*insert your own word here*). Okay, that was probably my >>>>>>>>>>> first >>>>>>>>>>> mistake (thoughts?). >>>>>>>>>>> >>>>>>>>>>> My frequency counter is one I built from a kit from aade.com >>>>>>>>>>> that >>>>>>>>>>> has >>>>>>>>>>> the TCXO option (although I had to tweak it myself so I have NO >>>>>>>>>>> idea >>>>>>>>>>> how >>>>>>>>>>> close it is to any accuracy or precision). I have access to >>>>>>>>>>> some >>>>>>>>>>> really >>>>>>>>>>> nice HP counters at work so that's my next step is to try one of >>>>>>>>>>> those. >>>>>>>>>>> My DFD4 measured the output of one of my 5680A's to 10.000.007 >>>>>>>>>>> MHz >>>>>>>>>>> after >>>>>>>>>>> about a 10 minute warm-up. I don't know which one is off. >>>>>>>>>>> Reading >>>>>>>>>>> the >>>>>>>>>>> specs on the 5680A's before I bought them looked like they were >>>>>>>>>>> pretty >>>>>>>>>>> decent. I'm learning... >>>>>>>>>>> >>>>>>>>>>> So, what "reasonably priced" Rb standard would you recommend? >>>>>>>>>>> >>>>>>>>>>> Should my next step in this process be a Trimble Thunderbolt? >>>>>>>>>>> Am >>>>>>>>>>> I >>>>>>>>>>> starting over? >>>>>>>>>>> >>>>>>>>>>> Thanks... >>>>>>>>>>> >>>>>>>>>>> ----- Original Message ----- From: "Bob Camp" <li...@rtty.us> >>>>>>>>>>> To: "Discussion of precise time and frequency measurement" >>>>>>>>>>> <time-nuts@febo.com> >>>>>>>>>>> Sent: Saturday, July 24, 2010 9:31 AM >>>>>>>>>>> Subject: Re: [time-nuts] Symmetricom X72 >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>>> Hi >>>>>>>>>>>> >>>>>>>>>>>> At least looking at the spec sheet it's not really very >>>>>>>>>>>> impressive. >>>>>>>>>>>> >>>>>>>>>>>> Bob >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> On Jul 23, 2010, at 11:06 PM, Heathkid wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Hello. Does anyone have any experience with the Symmetricom >>>>>>>>>>>>> X72? >>>>>>>>>>>>> >>>>>>>>>>>>> Thanks... >>>>>>>>>>>>> >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> 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 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 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 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 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. >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> Steve Rooke - ZL3TUV & G8KVD >>>>>>>> The only reason for time is so that everything doesn't happen at >>>>>>>> once. >>>>>>>> - Einstein >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Steve Rooke - ZL3TUV & G8KVD >>>>>>> The only reason for time is so that everything doesn't happen at >>>>>>> once. >>>>>>> - Einstein >>>>>>> >>>>>>> _______________________________________________ >>>>>>> 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 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. >>>>>> >>>>> >>>>> >>>>> -- >>>>> Steve Rooke - ZL3TUV & G8KVD >>>>> The only reason for time is so that everything doesn't happen at once. >>>>> - Einstein >>>>> >>>>> _______________________________________________ >>>>> 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 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. >>>> >>> >>> >>> -- >>> Steve Rooke - ZL3TUV & G8KVD >>> The only reason for time is so that everything doesn't happen at once. >>> - Einstein >>> >>> _______________________________________________ >>> 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 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. >> > > > -- > Steve Rooke - ZL3TUV & G8KVD > The only reason for time is so that everything doesn't happen at once. > - Einstein > -- Steve Rooke - ZL3TUV & G8KVD The only reason for time is so that everything doesn't happen at once. - Einstein _______________________________________________ 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.
