Re: [time-nuts] Fw: 5065

en't using... ______ Clay Autery, KG5LKV MONTAC Enterprises (318) 518-1389 On 3/17/2016 4:56 PM, J. L. Trantham wrote: > Ulrich, > > The connectors can be obtained reasonably inexpensively from Galco. > > http://www.galco.com/shop/Circular-Connectors > > They are a 3 pin circular

Re: [time-nuts] RG6 or LMR400 for GPS Antenna (Symmetricom 58532A and T-bolt)

do it right; you only gotta do it once. __ Clay Autery, KG5LKV MONTAC Enterprises (318) 518-1389 On 4/21/2016 8:02 AM, paul swed wrote: > With respect to sealing. Everyone has a method. > I use what I learned in the Navy. I could see how well the connections held > u

Re: [time-nuts] Looking for a Linux user with a Z3816/Z3815/HP5xxxx

Just put the file on a server somewhere and email the link... even drop box... It's a waste to send files through email anyway... wastes tons of bandwidth sending a file through an unnecessary number of interim steps... __ Clay Autery, KY5G MONTAC Enterprises (318) 518

Re: [time-nuts] The home time-lab

You'd be better off running the GPSDO off a LiFePO battery and float charge the battery with an appropriately constructed linear PS... ALL but the most expensive UPSs use switch-mode power supplies... to power the load when on mains. __ Clay Autery, KY5G MONTAC Enterp

Re: [time-nuts] The home time-lab

h of AC electrical wiring "mistakes", mostly grounds terminated at both ends, et al... 73, __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/8/2016 12:46 AM, Bob Stewart wrote: > Hi Clay, > Powering the GPSDOs isn't a problem. They run on 12V and

Re: [time-nuts] The home time-lab

You do what you can do... __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/8/2016 1:27 PM, Tim Shoppa wrote: > Everyone else is talking as if these blips can be protected from, by having > a UPS supplying your precious lab equipment. > > I stron

Re: [time-nuts] The home time-lab

That has been my experience over the last 25 odd years... __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/8/2016 5:37 PM, Charles Steinmetz wrote: > The usual problem is glitches on the on-site AC mains supply, and > properly designed and installed on-li

Re: [time-nuts] HP5370 power supply measurements

Actually, the lion's share of noise heard from a fan is NOT the moving air, but the turbulence over the fan blades... This is a VERY large topic that I don't want to bore the list with. __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/15/2016 8:17 AM,

Re: [time-nuts] HP5370 power supply measurements

Every box I own has AT LEAST one temp sensor in it... I often add 10 or more when redesigning the thermal control for a piece of equipment __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/15/2016 1:40 PM, Orin Eman wrote: > > In a given instrument, you m

Re: [time-nuts] GPS for Nixie Clock

I, for one, will be following your progress... I think it would be cool as heck having an ultra-accurate clock with a Nixie display... It'd be cool to make it flexible enough to output the time sync to other equipment... __ Clay Autery, KY5G MONTAC Enterprises (318) 518

[time-nuts] Frequency Counter....

Looking for a good Freq Counter... looking at the HP 5386A with Option 4. Are there better choices in the price range of these used? Looks like this one meets and exceeds my current needs -- __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389

Re: [time-nuts] GPS for Nixie Clock

Cesium this IS time nuts after all... __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/15/2016 8:55 PM, Bob Camp wrote: > Hi > > As this is going, it’s not a clock at all. It’s a GPSDO with a Nixie display > on it > and now with IRIG timing

Re: [time-nuts] GPS for Nixie Clock

Holy crap there's a lot of information there... I'll be on that site for a while! Thanks! __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/16/2016 2:06 AM, David J Taylor wrote: > > If you don't mind an LCD display instead of N

Re: [time-nuts] GPS for Nixie Clock

sheer amount of information. __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/16/2016 2:08 AM, John Swenson wrote: > Yes, I was planning on using a high speed photo diode to actually > measure the turn on time of the digits. I hadn't thought of the turn >

Re: [time-nuts] Venus838LPx-T opinions?

Looks like a module I might want to start with... No way I'd want to start with the chip... __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/22/2016 8:16 PM, Nick Sayer via time-nuts wrote: > Looks like the bare modules are available for $25 (FOB Taiwan) e

Re: [time-nuts] Venus838LPx-T opinions?

Definitely the assembled "breakout board+". Maybe I'll wait til Lady Heather has a more complete communication set with this part... ______ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/22/2016 10:08 PM, Mark Sims wrote: > I'd get the $80 assem

Re: [time-nuts] Venus838LPx-T opinions?

AWESOME!!! :) Added to project list!!! Mark, what's your official link to Lady Heather and how do we donate to the cause? 73, __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/24/2016 12:23 AM, Mark Sims wrote: > Lady Heather now works with Venus r

Re: [time-nuts] Venus838LPx-T opinions?

LOL! Thank so much for the history of how you got trapped... errr started in the Lady Heather software project. :) Questions still remain: 1) What is the link to the "official" Lady Heather site? 2) How/where can we shoot a donation to say "Thanks!"? 73, ______

Re: [time-nuts] GPS antenna selection - lightning

Is the 1987 version the latest issue available for free? __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 8/6/2016 8:46 AM, Glenn Little WB4UIV wrote: > Cone of protection is addressed. > Volume 1 is theory, volume 2 is application. > The military requires

Re: [time-nuts] Venus838LPx-T preliminary testing

Wow... fast turn-around... I might grab one of these for my NTP project for my home network... Reckon they'd integrate with the Rasberry-Pi and other similar? __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 8/8/2016 5:13 PM, Nick Sayer via time-nuts wrote:

[time-nuts] Questions on Nortel Trimble NTBW50AA GPSTM

ciated, and not slapping me about for "not knowing" stuff is greatly appreciated! :) Sincerely, -- ______ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to htt

Re: [time-nuts] Questions on Nortel Trimble NTBW50AA GPSTM

ash on the swap table. Any hints on a specific 24 VDC supply that is quiet without Herculean efforts at adding filtering/chokes, et al... 73, ______ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 8/10/2016 4:59 PM, Bob Camp wrote: > Hi > > You can get a very good i

Re: [time-nuts] What's the best Windows 10 ntp client?

NTP Time Server Monitor by Meinberg. __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 9/2/2016 1:29 AM, Dr. David Kirkby wrote: > At my amateur radio club we have Internet access via a WiFi dongle with a Pay > As You Go card. A Windows 10 PC is only powered up

Re: [time-nuts] What's the best Windows 10 ntp client?

s and wireless connection to the internet... I'll worry about compiling my own ntpd, et al. once I decide to run my own stratum 1 server... I'm pretty consistently within +/- 4 milliseconds at any given time... usually < +/- 2 ms. ______ Clay Autery, KY5G MONTAC Enterpri

Re: [time-nuts] What's the best Windows 10 ntp client?

PS I am running BOTH the Meinberg ntpd AND the monitor... My fault for allowing you to make me doubt myself . __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 9/2/2016 8:09 AM, Martin Burnicki wrote: > Clay Autery wrote: >> NTP Time Server M

Re: [time-nuts] What's the best Windows 10 ntp client?

ion and/or request requirements. Yes, I am looking forward to building and running my own local server (and I'll likely run a second one and donate it to the pool). __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 > > Clay, > > One suggestion: you may be

Re: [time-nuts] eBay GPS antenna test results.

I would be extremely surprised if ebay does not rule in your favor. I've only had ONE case EVER opened against me, and it was CLEARLY not a valid case, but eBay still made me give the buyer his money back IN FULL to include shipping. eBay almost always picks the buyer over the seller. 73, Clay

Re: [time-nuts] Replacement Backup Battery for 5065A?

I don't know what your package requirement is, but I would at least LOOK at LiFePO as a solution.  These guys provide all my radio related batteries... https://www.bioennopower.com/collections/24v-series-lifepo4-lithium-iron-phosphate-batteries/products/24v-10ah-lfp-battery-abs-blf-2410ts The smal

[time-nuts] Caving In: Throwing Money at Solution

Just dropped orders for 1) Bodnar GPSDO - feed VNA, other lab instruments, and K3s radio2) LeoNTP - time for network and clients.3) SDR-Kits DG8SAQ VNWA 3EC - long list of jobs/projects I really wanted to build a RPi NTP and mod the NORTEL GPSDO for 10Mhz and even maybe build a VNA  I have a

[time-nuts] Bodnar "Precision Frequency Reference (GPS Clock)" AND LeoNTP Networked Time NTP Server Questions

's more...  but this is a good start.  Just want to try and get parts on the way.  Have to build a separate outboard regulator for the timing GPS antenna, too. Thanks! -- *Clay Autery (318) 518-1389 MONTAC Enterprises* ___ time-nuts mailing list -

[time-nuts] WTB: HP/Agilent/Symmetricom 58517A Distribution Amplifier

Need one of these: *HP/Agilent/Symmetricom 58517A Distribution Amplifier (8 port)* Ideally... actually definitely need the one with the external DC power input with DC blocks on all 8 ports. I have a 4-port, but it's going to be full by the end of the week. 73, Clay, KY5G -- *Clay A

Re: [time-nuts] WTB: HP/Agilent/Symmetricom 58517A Distribution Amplifier

gain ports on the distro amp, I can do that.  For much of what I am/will be doing, I want to be able to provide "equal access" to antenna signal to designated devices to control variables somewhat. *Clay Autery (318) 518-1389 * On 05/18/18 08:50, Bob kb8tq wrote: Hi From what I

[time-nuts] Terminators on empty outputs/connectors

Putting in a hardware order... Question:  Is it recommended to put terminators on all unused GPS Distro amp ports?  Output ports on GPSDO and NTP servers (10MHz and PPS). Thanks! -- __ Clay Autery MONTAC Enterprises (318) 518-1389

Re: [time-nuts] Dropbox is cool, but...

Yep, I can see where that would be an issue Use an un-synced directory/folder and them back up to dropbox off-air if required... :) __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 2/5/2017 2:17 PM, John Ackermann N8UR wrote: > So I was clever and decided

Re: [time-nuts] The clocks at Windsor Castle, UK

Precisely... __ Clay Autery, KY5G On 6/16/2017 3:08 PM, William H. Fite wrote: > Jerry, what you're missing is the culture of the Castle. Having a > clock--let alone a bunch of clocks--stopped for an hour simply would not be &

Re: [time-nuts] GPS splitter

n unit into the line. Thanks. 73, ______ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 6/16/2017 7:26 PM, Tim Lister wrote: > On Fri, Jun 16, 2017 at 4:40 PM, Gregory Beat wrote: >> I have reached the point that I need a 4-port splitter for my GPS anten

[time-nuts] Hints on PPS Buffer design...

250 Ohms on a 5 gate parallel setup) Q3: It's only a 1Hz frequency, but is low inductance a desired trait of the chosen resistors? I'm sure there are others... Thanks! -- __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389

Re: [time-nuts] Hints on PPS Buffer design...

On 6/17/2017 4:01 AM, Hal Murray wrote: >> Q3: It's only a 1Hz frequency, but is low inductance a desired trait of the >> chosen resistors? > It's a 1 Hz repetition rate, but the bandwidth depends upon the rise time. > If the rise time is ballpark of 1 ns, the bandwidth will be ballpark of 1 >

Re: [time-nuts] HP5090A Off Air Standard Receiver

And Attila wins the reflector for today!!! __ Clay Autery, KY5G On 6/19/2017 2:29 AM, Attila Kinali wrote: > > You aren't seriously asking a time-nut what the point of doing something is, > are you? We are doing what we do because we think it's fun. Becau

Re: [time-nuts] Halcyon OFS

I've learned NEVER to start a new task on "Friday afternoon", unless I want to work on that task thru Monday morning. ______ Clay Autery, KY5G On 6/20/2017 3:36 AM, Stephen Tompsett wrote: > It's a Friday afternoon job! WOW!!! Tha

Re: [time-nuts] GPS Antenna on Tower.

are footage and its use and to de-conflict the sub-subterranean "air space". ______ Clay Autery, KY5G On 6/20/2017 7:21 AM, jimlux wrote: > On 6/20/17 5:11 AM, Didier Juges wrote: >> If that is not time-nutty, I do not know what will :) > > if you'

Re: [time-nuts] GPS Antenna on Tower.

I thought there was kind of a rule about EXCLUDING sats on or near the horizon... __ Clay Autery, KY5G On 6/20/2017 8:27 AM, "Björn Gabrielsson" wrote: > Hi Thorbjörn, > > To bad this particula antenna has surrounding buildings (and maybe trees) > t

Re: [time-nuts] HP 4815 Vector Impedance Analyzer repair

s auctions... __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 6/20/2017 1:51 PM, Richard (Rick) Karlquist wrote: > I have a non-functional HP 4815, don't know if it > is the probe or the box. A long time ago, there > was a fellow named George Standford (something like &g

Re: [time-nuts] Anderson PowerPole (was Charles Wenzel GPSDO)

TVB for the win! Can we please let it go here? Do we REALLY need to have the same PPcon discussion yet again? I vote no. __ Clay Autery, KY5G On 6/22/2017 2:19 AM, Tom Van Baak wrote: > Wes, Don, > > I am quite surprised at the negative reaction to Anderson P

Re: [time-nuts] Anderson PowerPole (was Charles Wenzel GPSDO)

Not sure how "idiot proof" became a desirable engineering goal. I've always favored allowing the natural self-cleaning of the gene pool to progress normally. We are protecting the species to death. ______ Clay Autery, KY5G On 6/22/2017 3:07 AM, Bruce Griffith

Re: [time-nuts] Anderson PowerPole (was Charles Wenzel GPSDO)

OK I was wrong... Attila was right. IF we are going to talk alternatives and not simply bash PP cons, then I'm in. Always up for a bit of over-engineering. The speakon connectors are interesting... Do you have a favorite series/model, Mike? __ Clay Autery, KY5

Re: [time-nuts] WWV 25 MHz antenna switched to circular polarization

Prop shifted... I tuned to it before I left for Home Depot at 1600 hrs CST, and it was strong It was GONE by 1830 hrs. __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/16/2017 6:32 PM, paul swed wrote: > Not hearing wwv on 25 MHz but 15 is fine. Using a b

Re: [time-nuts] Machining some aluminum help!

Kerosene as the cutting fluid and use Acetone to clean up the kerosene afterwards. __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 7/29/2017 7:57 PM, Scott McGrath wrote: > Kerosine is a better tap lube for Aluminum as it is more persistent and less > fla

Re: [time-nuts] Can Lady Heather set PC time directly from a TrimbleThunderbolt?

I use Meinberg's NTP for Windows... and their Monitor program. https://www.meinbergglobal.com/english/sw/ntp.htm 73, __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 8/4/2017 2:10 AM, David J Taylor via time-nuts wrote: > Apologies for the off list reply.

Re: [time-nuts] Can Lady Heather set PC time directly from a TrimbleThunderbolt?

Doh! Sorry David... I actually found the Meinberg references from the stasignal.eu page. Can't tell you the number of hours I've spent reading your page. Working on both my GPSDO and NTP Stratum-1 solutions now... well, they're "on the list". 73, _______

[time-nuts] Sharing a GPS Antenna

h in an all but unobstructed 360 degree view, and using a low-loss feed-line should allow sufficient signal for all devices. (I hope) Any suggestions for a 3 port DC blocked splitter, or other part(s) and some part to use for DC injection? I can handle the linear regulated supply. Thanks! --

Re: [time-nuts] Sharing a GPS Antenna

Thank you one and all for all the help and suggestions. I've got an HP 58516A w/external DC input option on the way. Now to find a proper N-male terminator for the unused port, and start gathering up cable and connectors to hook it all up. __ Clay Autery, KY5G M

[time-nuts] GPS Antenna Feed Line Decision

ore effort ($$ aside)  Is it worth the additional trouble to move from -400 to -600 or -900?  To NOT lose the 1-1.6 dB additional? I'd appreciate your recommendation and reasoning. Thanks in advance! 73, -- ______ Clay Autery, KY5G MONTAC E

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

ll be < 1 meter/3.28 feet.  Likely a lot less.  ALL Times N-connectors until reaching a connector TM doesn't make. ______ Clay Autery, KY5G On 9/2/2017 3:26 PM, Bob kb8tq wrote: > Hi > > A lot depends on what comes after the feed cable. The “disto amp” will >

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

HP 58516A GPS L1 Disribution Amplifier ( 4-way with external power supply input) __ Clay Autery, KY5G On 9/2/2017 3:38 PM, Pete Lancashire wrote: > What are you using for a distribution amplifier ? > > On Sat, Sep 2, 2017 at 11:57 AM, Clay Autery wrote: > >&g

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

one, at 5 lbs max in the 38 foot max vertical section. I do have several methods of secondary suspension within the top (and/or second) mast section though if I decide I need it. Also prefer to keep all the connectors N-type as much as possible since that is the station standard. 73, ______

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

ommendations thusfar especially the ones with whom I disagree.  Those are the recommendations that keep me from completely abandoning rational decision-making.  73, ______ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 9/2/2017 3:27 PM, Mark Sims wrote: > Cheap RG-59

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

arges a battery or batteries that provide the top voltage or voltages in multiple ranges which are then regulated/filtered to provide dead flat DC at the desired levels. I am not an engineer or an expert of any kind.  I'll have to go learn all this.  73, __ Clay Auter