Re: [time-nuts] New WWVB modulation format receivers (NOT)

500GHz? You must mean 50GHz. Because 1Hz at 500GHz is 2E-12. (You're already there at your goal.) And what frequency counter are you using at half a THz? :- ) (My highest freq 2-way ham contact has been on 403GHz and that took me years to make.) -Brian, WA1ZMS/4 -Original Message

[time-nuts] Interesting video....well done....

I found this to be a nice video for the non-Time Nut to try and understand what why about time.. http://knowmore.washingtonpost.com/2014/03/17/this-man-knows-what-time-it-is -but-not-what-time-is/ -Brian, WA1ZMS/4 ___ time-nuts mailing

[time-nuts] maybe OT: GLONASS

. -Brian, WA1ZMS/4 ___ 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] TEST 123... please ignore.....

-Brian, WA1ZMS/4 ___ 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] Looking for a particular OCXO....

a replacement OCXO or already been done this path before? I hate to re-invent the wheel. I can buy a used A15 ref module but I still may end up with one that has an OCXO that's out of cal range. Reply off-list is fine. -Brian, WA1ZMS

Re: [time-nuts] Looking for a particular OCXO....

a change in PTI product lines after MTron bought them. -Brian, WA1ZMS/4 iPhone On May 26, 2014, at 5:15 PM, Bob Camp kb...@n1k.org wrote: Hi On May 26, 2014, at 4:31 PM, Brian, WA1ZMS wa1...@att.net wrote: I am trying to repair my HP-8920 RF Com test set since its internal 10MHz OCXO

Re: [time-nuts] Looking for a particular OCXO....

Boy you are spot on about what damage sales guys can do. The original OCXO spec is x10 better than the 16Hz I get with the DAC at the limit. Thanks. -Brian, WA1ZMS/4 iPhone On May 26, 2014, at 6:25 PM, Bob Camp kb...@n1k.org wrote: Hi On May 26, 2014, at 5:54 PM, Brian, WA1ZMS wa1

Re: [time-nuts] OT Gel Cell question

in the RF/Telecom World. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of paul swed Sent: Monday, July 28, 2014 8:17 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] OT Gel Cell question

[time-nuts] Cutler NAA on 24.0kHz....

So does anyone know what frequency stability NAA has as of today? When I fire-up my VLF RX converter they are so loud I'd hate to live near the site. One might be able to hear it with silver fillings in their teeth while eating a lemon! ;- ) -Brian, WA1ZMS

Re: [time-nuts] MH370 Doppler

and not be needed. -Brian, WA1ZMS/4 iPhone On Aug 18, 2014, at 12:53 PM, Joe Leikhim jleik...@leikhim.com wrote: Is anyone paying attention to all the chatter about the lost aircraft MH370, Inmarsat's supposed flight tracks based on 6 or 7 pings (1 per hour), the Doppler shift (BFO) and transaction

Re: [time-nuts] Quad Driven Mixer 5 to 10 MHz Doubler Article

network to keep it all temp stable. Personally, I'm lazy and like the Wenzel full wave rectifier design with a nice BPF on the output to obtain a clean 10MHz. -Brian, WA1ZMS/4 -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Oz-in-DFW Sent: Wednesday

Re: [time-nuts] 5071A Cs Oven

-Nut's Nerdvana! -Brian, WA1ZMS On Oct 4, 2012, at 4:59 PM, paul swed paulsw...@gmail.com wrote: Brian Funny you mention the dirty emult. At the time I was wondering and if there was any insane way to get the Cs off the e multiplier. HV to ground or something to migrate them. Hold upside down

[time-nuts] [OT} audiophile outlets.....

What's gets me is that I didn't think of this snake oil first. Had I thought of it first I could own a PTI H-MASER by now. :- ) -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Didier Juges Sent: Tuesday, June 18, 2013

Re: [time-nuts] 5MHz x 10MHz

My 2 cents In a talking to Charles Wenzel about this very topic some 13 yrs ago, I liked it when he said sometimes it comes down to the quartz-to-crud ratio of the crystal that makes all the difference for a given crystal frequency. -Brian, WA1ZMS On Aug 4, 2013, at 8:40 PM, Bob Camp li

Re: [time-nuts] 5MHz x 10MHz

. As another post on this thread said, there are a number of factors involved and while 1MHz might be better, the size of the crystal becomes a trade-off. What I don't know fills MANY text books! -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun

Re: [time-nuts] GPS outage?

has hint or clue, I would much appreciate it. BTWmy GPS receivers here in VA seemed to have had no issue. Go figure. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Brad Dye Sent: Wednesday, September 04, 2013 6:14

Re: [time-nuts] GPS outage?

% of us Time-Nuts never noticed an issue. Oh well.. -Brian, WA1ZMS On Sep 6, 2013, at 12:23 AM, John C. Westmoreland, P.E. j...@westmorelandengineering.com wrote: Hello All, Not to go off on a tangent here but are there 'time nuts' distributed around the globe in such a way as we'd know

Re: [time-nuts] Shortt Clock Recent Measurements

conference on the West Coast. So it is a mix of old and new for me at this point. Apologies if this goes OT. Regards, -Brian, WA1ZMS/4 -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Tom Van Baak Sent: Tuesday, December 10, 2013 5:48 PM

[time-nuts] WAAS.....

Hypothetical question For a given set of GPS timing grade receivers at multiple locations, is there any advantage by limiting allowable SVN numbers to only be the WAAS satellites? -Brian, WA1ZMS/4 iPhone ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] WAAS.....

solution. :- ) -Brian, WA1ZMS/4 iPhone On Jan 7, 2014, at 11:05 PM, Magnus Danielson mag...@rubidium.dyndns.org wrote: Brian, On 2014-01-08 02:25, Brian, WA1ZMS wrote: Hypothetical question For a given set of GPS timing grade receivers at multiple locations, is there any advantage

Re: [time-nuts] WAAS.....

it? Or does WAAS not offer a classic 1PPS signal in it's data stream? I thought it had to in order to offer compatability. -Brian, WA1ZMS/4 iPhone On Jan 8, 2014, at 3:50 AM, Hal Murray hmur...@megapathdsl.net wrote: wa1...@att.net said: In this case the timing rcvrs are located all with in a 20km

Re: [time-nuts] WAAS.....

chronic GPS drop-outs that I traced to GPS jamming and documented. Could be the same or not. This latest issue is on the East Coast. Again, there is a wealth of great knowledge here in Time Nuts and I'm glad to be able to call on help! -Brian, WA1ZMS/4 iPhone On Jan 8, 2014, at 11:57 AM, Björn b

Re: [time-nuts] WAAS.....

cannot go into our customer base. -Brian, WA1ZMS/4 iPhone On Jan 8, 2014, at 5:18 PM, Nathaniel Bezanson mys...@telcodata.us wrote: Brian, WA1ZMS wrote: In my case, SW masking of hold-over alarms may be a shorter fix without any HW fixes. If you can mask short-duration alarms while

[time-nuts] Interesting HP oscillators...

test fine so unless they are determined to be some kind of ultra-low PN oscillator, I could as well offer them for sale to the Time-Nuts group. Comments welcome. Regards, -Brian, WA1ZMS/4 ___ time-nuts mailing list -- time-nuts@febo.com

[time-nuts] FS: HP-10811 variant....

is best for domestic sale) Is it worth $60??? Based on e-pay prices that are all over the place, I think it's a valid first try. Please reply off-list. First one wins. Thanks for the BW. Regards, -Brian, WA1ZMS/4 Forest, VA ___ time

Re: [time-nuts] Tom's Adventures of a Time Nut (Banquet Talk)

off the weight and the clock loses time. Yet another problem to solve. -Brian, WA1ZMS/4 iPhone On Jan 30, 2014, at 7:04 PM, Tom Van Baak t...@leapsecond.com wrote: I remember they recorded it. I just found out today it's on YouTube! Cool. I guess. It's always weird to hear or see oneself

Re: [time-nuts] Tom's Adventures of a Time Nut (Banquet Talk)

Oppps! Thought I deleted the reflector e-mail! Sorry for BW. I am blushing. :- ( -Brian, WA1ZMS/4 iPhone On Jan 30, 2014, at 7:16 PM, Brian, WA1ZMS wa1...@att.net wrote: Tom- A friend of mine John Delaney, of Delaney Antique Clocks (who has sold me some VERY nice 210+ yr old tall

[time-nuts] The pendulum problem...

to wind the weight cable. Not the case for 200+ year old clocks. Regards, -Brian, WA1ZMS/4 ___ 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.

Re: [time-nuts] The pendulum problem...

Europe. I think the best I can do is to use the basic design from the article that David noted and will have to adjust the clock once a week after winding. -Brian, WA1ZMS/4 iPhone On Jan 31, 2014, at 4:33 AM, mike cook michael.c...@sfr.fr wrote: Le 31 janv. 2014 à 06:06, Brian, WA1ZMS a écrit

Re: [time-nuts] The pendulum problem...

pause. -Brian, WA1ZMS ___ 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.

Re: [time-nuts] The pendulum problem...

on time. The nice thing is I can clip the opto sensors and remove them just as quickly with no change to the mechanism itself. Again...what a great bunch the Time Nut crowd is! -Brian, WA1ZMS/4 iPhone On Jan 31, 2014, at 4:00 PM, Joe Leikhim jleik...@leikhim.com wrote: Count the period where

Re: [time-nuts] Interesting paper: Don't GPSD' your Rb...

. The choice of loop BW depends on what Tau you want and what grade of Rb you are trying to improve. But as PHK said, the article was a bit thin on details. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Azelio Boriani Sent

Re: [time-nuts] Interesting paper: Don't GPSD' your Rb...

last long in his job and left the company. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Bob Camp Sent: Thursday, May 03, 2012 7:42 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts

Re: [time-nuts] ACTS leap second caught!

in VA as of last night who have no commercial utility power. Could be days before we get AC power back! So far, my generator is keeping parts of the house cool as well as the ham shack. -Brian, WA1ZMS/4 Forest, VA On Jun 30, 2012, at 8:05 PM, Scott Newell newell+timen...@n5tnl.com wrote

Re: [time-nuts] US 5065A standby battery cell source?

A US East Coast chain of stores called Batteries Plus can sell you cells and spot weld them in any almost any way you want. At least my local store can do that here in Virginia. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com

[time-nuts] [OT]: HP-5061A and a dust bunny.....

…….BUT…….. there was also a dead rabbit! BTW….All 3 cats have been interviewed and none will admit to being involved in any way. -Brian, WA1ZMS/4 Forest, VA ßwhere the AC mains are back on and the venting of the shack/lab continues with an outside air temp of 38C. No kidding! What’s worse the heat

[time-nuts] Lightsquared questionfor SFO area....

Does anyone know if there is ANY recent active Lightsquared testing taking place in the SFO area of the US? I'm dealing with a day-job issue with GPS clocks in the Bay Area showing GPS unlocked errors from 3rd party equipment. -Brian, WA1ZMS

Re: [time-nuts] Lightsquared questionfor SFO area....

from techs out in the field and their daily reports and conference calls. So I just need to due engineering diligence as I try and help them. I expect my butt will be on a plane next week unless I can identify a 3rd party vendor equipment problem. THANKS! -Brian, WA1ZMS -Original Message

Re: [time-nuts] Lightsquared questionfor SFO area....

time will produce more date. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of gandal...@aol.com Sent: Saturday, July 28, 2012 2:27 AM To: time-nuts@febo.com Subject: Re: [time-nuts] Lightsquared questionfor SFO area

[time-nuts] FRK specs.....

today? I'm looking to buy an Rb that's better than my LPROs and other models. But I do not own an FRK-H. Looking for comments, please. Thanks in advance, -Brian, WA1ZMS ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] FRK specs.....

Thanks Tom. I agree, the SRS seems to be the best overall Rb except maybe on old HP if one is willing to spend about the same price on a 20 year old unit. The SRS units I bought for work were only $2700 with chassis, rack ears and multiple outputs. -Brian, WA1ZMS On Aug 12, 2012, at 3:17

Re: [time-nuts] FRK specs.....

Me too, please. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of dlewis6...@austin.rr.com Sent: Sunday, August 12, 2012 2:55 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] FRK specs

Re: [time-nuts] Advice on Austron 1250A

into it. Besides...they make a good all-in-one box that you can play around with ext locking and learn. And rememberExperience is something you always get, AFTER you needed it! :- ) -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com

[time-nuts] {OT} e-mail testing only....

DEEPEST AND SINCERE APPOLOGIES TO ALL! I am embarrassed. My first and only hack in 20+ years of e-mail. So I guess I was overdue. Yahoo/ATT today. When will G-Mail get hit? :- ) Life in a modern spam rich world. 73, -Brian, WA1ZMS (If you don't see this signature line, it's not me

Re: [time-nuts] HP10514B Mixer Terminations

application of a mixer can often be based around what you are doing with it. Each time I use one, I learn a new fact! :-). Great hobby! -Brian, WA1ZMS/4 On Sep 9, 2012, at 4:41 PM, Bruce Griffiths bruce.griffi...@xtra.co.nz wrote: David Kirkby wrote: On 9 September 2012 18:28, Pascual Arbonap.arb

[time-nuts] HP OCXO in 5016A.....

a member of the Green Light Club in that the continuous operation light fails to light. The control loop appears to try and slew the OCXO way off frequency. My best guess is a defective A7 AC amp module. Time to trouble shoot! :- ) Comments welcome. -Brian, WA1ZMS/4

Re: [time-nuts] HP OCXO in 5016A.....

. Could be a clue. Time to get it up on- blocks on the bench and see just what is going on. Thanks to all! :-) -Brian, WA1ZMS -Original Message- From: J. L. Trantham [mailto:jlt...@att.net] Sent: Tuesday, September 11, 2012 6:07 PM To: wa1...@att.net; 'Discussion of precise time

Re: [time-nuts] Javad Letter to FCC...

He seems to give no specs on group delay. That is very critical for timing applications, but not much of an issue for your iPhone if you don't mind yet another 10m of error. My 2 cents... -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun

Re: [time-nuts] Austron Model 6016 Frequency Multipler - free to a good home

I have one of those myself. I have been looking for a schematic. Does anybody have one? Better yet, a full manual! -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Louis Mamakos Sent: Wednesday, September 26, 2012 2:40

Re: [time-nuts] GPS Jammer

Let me just say that that's flea power! I saw some 80watt jammers being sold for movie theaters and churches. There is some very black market items from China, via Hong Kong and can arrive at your doorstep in just 4 days via DHL! What's out there would scare you. Been dealing with the fall out

Re: [time-nuts] 5071A Cs Oven

of arcing in the E-mult and an issue of burning up the resistor divider stack that I believe is part of the E-mult. I can see it now.. an end-of-life Cs tube that needs 35kV on the E-mult to get any beam current to work with! : -) -Brian, WA1ZMS On Oct 4, 2012, at 3:41 PM, paul swed paulsw

[time-nuts] Free to good home.....

to US address only if possible. You pay shipping. Pleaee contact off-list if interested. -Brian, WA1ZMS/4 Forest, VA ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] Free to good home.....FOUND A HOME

The CBT has found a new home. -Brian, WA1ZMS On Aug 6, 2011, at 12:03 PM, Brian, WA1ZMS wa1...@att.net wrote: Cleaning out my storage area. I have a know dead HP 05060-6090 CBT. SN: 1506A2030. Failure is hard and is one of the heating wires. Failed due to mechanical shock it seems

[time-nuts] Looking for.....

around some RF simulcast tranmissions. Thanks in advance. Contact off list please. -Brian, WA1ZMS ___ 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] synch for pendulum clock....

that, I can synthesize a pulse train from one of the 10MHz lab clocks to drive the electromagnets to cause a subtle synch at the end(s) of the pendulum travel. The pulse train freq is custom for a given clock. Anyway.. that's my scheme for now. Feedback welcome. -Brian, WA1ZMS

Re: [time-nuts] synch for pendulum clock....

Thanks guys. Got the info I had been looking for. This group is a great resource! Only purpose for this project is so that the Westminster clock chimes at the same exact moment at the GPS driven UTC LED display in the lab shows the quarter hour. Why Why not! :- ) -Brian, WA1ZMS

Re: [time-nuts] synch for pendulum clock....

I have and see that at least the minute's digits read either: 00, 15, 30, or 45. And FWIWthe LED display is driven by the NMEA data coming out of the GPS RX inside a Z3810A. How's that? -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun

[time-nuts] Question.....

OK..here's a question I never found a solid answer to: On the HP-8656A signal generators, one of the amplitude scale buttons is in dBf. dB relative to a femptowatt. (ie: -120dBm) What drove that requirement? I have yet to see a later vintage sig gen use that scale. -Brian

[time-nuts] FE-5680A dumb question...

My E-bay FE-5680A finally arrived. (4weeks later) Of the pins on the DB-9 connector, which one is the RF output? The manual only talks about an SMA output. I know this has been talked about before, but I cannot find the thread. Thanks in advance sorry for bandwidth, -Brian, WA1ZMS

Re: [time-nuts] FE-5680A dumb question...

Thank you though. Got it working fine thanks to all the answers and help! -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of gonzo . Sent: Wednesday, January 04, 2012 2:18 AM To: time-nuts Subject: Re: [time-nuts] FE-5680A

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

My rivets were tiny Torx screws. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of J. L. Trantham Sent: Wednesday, January 11, 2012 9:22 PM To: 'Discussion of precise time and frequency measurement' Subject: [time-nuts

Re: [time-nuts] 15 Seconds error...??

GPS has its own time scale. Part of the GPS data stream contains the number of seconds that GPS and UTC differ by. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Dan Rae Sent: Monday, January 16, 2012 7:21 PM

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

I used a T7 bit for mine. -Brian, WA1ZMS On Jan 17, 2012, at 6:24 PM, Paul F. Sehorne p...@sehorne.org wrote: Nope. Looked at them with a jeweler's loupe. They are Torx. On 1/17/2012 5:13 PM, Peter Gottlieb wrote: Most likely they are 1/16 hex. On 01/17/12, Chris

Re: [time-nuts] Rubidium Performance

Thanks John! -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of John Ackermann N8UR Sent: Friday, February 03, 2012 9:41 PM To: Time-Nuts Subject: [time-nuts] Rubidium Performance Someone earlier today made the point

Re: [time-nuts] Removing thermal tape residue?

FWIWI used denatured alcohol and acetone. Just be sure to wear chemical safe gloves and plenty of shop rags. But it comes right off. Fumes are bad too. Let the rags dry out before you put them in the trash. -Brian, WA1ZMS -Original Message- From: time-nuts-boun...@febo.com

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

Bob- I have a spare that i need to test and make sure all is OK. Any interest? Make me an offer and it's yours after I get time to test is out. -Brian, WA1ZMS On Feb 17, 2012, at 4:56 PM, bownes bow...@gmail.com wrote: ___ time-nuts mailing list

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

Sorry for band width to group! Stupid iPhone! :-) -Brian, WA1ZMS On Feb 17, 2012, at 5:15 PM, Brian, WA1ZMS wa1...@att.net wrote: Bob- I have a spare that i need to test and make sure all is OK. Any interest? Make me an offer and it's yours after I get time to test is out. -Brian

Re: [time-nuts] OCXO with ADEV of 1E-13 on Pluto Mission

The crystal in the ref osv. came from Bliley. The part number is BG-61. I have no idea what the current cost is, but like most very good oscillators the crystals were hand sorted and graded. -Brian, WA1ZMS iPhone On Jul 16, 2015, at 11:17 AM, John Stuart j.w.stu...@comcast.net wrote: Here

Re: [time-nuts] FS: Distribution amps

The FS710 has been sold. -Brian, WA1ZMS iPhone > On Sep 27, 2015, at 2:19 PM, "Brian, WA1ZMS" <wa1...@att.net> wrote: > > Hi all- > > Time to clean out some extra items. > > I have one SRS FS710. Tested & works. Time-nuts price $150 + shipping to US &

Re: [time-nuts] FS: Distribution amps

Both HP5087's have been sold. -Brian, WA1ZMS iPhone > On Sep 27, 2015, at 2:19 PM, "Brian, WA1ZMS" <wa1...@att.net> wrote: > > Hi all- > > Time to clean out some extra items. > > I have one SRS FS710. Tested & works. Time-nuts price $150 + shipping t

[time-nuts] WWV off-air for 2 days...

https://www.nist.gov/pml/time-and-frequency-division/time-services/wwv-broadcast-outages -Brian, WA1ZMS iPhone ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] 5061A Beam Current went high

I know this sounds "insane", but could the unit have been on the wrong Cs peak for some time now? -Brian, WA1ZMS iPhone > On Aug 22, 2016, at 3:02 PM, Pete Lancashire <p...@petelancashire.com> wrote: > > I fired up my old 5061A about 3-4 times a year to keep the tube

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

FWIW.We're at an 11 yr low for solar activity. Thus no big suprise that 25MHz is not covering the US very well, but a rare opening is always possible. -Brian > On Jul 16, 2017, at 7:32 PM, paul swed wrote: > > Not hearing wwv on 25 MHz but 15 is fine. Using a beam and

[time-nuts] Why 80MHz?

I have noticed, of late, several used 80MHz OCXOs for sale. Is there a particular industry that uses 80MHz as a typical reference freq? I'm sure there's a reason why it is 80 vs. 100 or 10 or 5.. I just don't know what it is. -Brian ___

Re: [time-nuts] TAPR "PulsePuppy" Pot Selection

I have seen similar issues to Dana's and have told myself it must be torque left in the gear-train within the pot. Maybe all in my mind as well, but it seems real to me on some equipment. -Brian, WA1ZMS > On Dec 24, 2017, at 5:26 PM, Dana Whitlow <k8yumdoo...@gmail.com> wrote: >

Re: [time-nuts] RFX GPSDO - Anybody played with one of these?

Shameless plug for JLT, but they helped me with a special application need in my day-job and it worked like a charm! One happy customer. -Brian, WA1ZMS (sent from my over-priced iPad3) On Oct 2, 2012, at 5:36 PM, saidj...@aol.com wrote: Hello Paul, thanks much for the feedback! Yes, we

Re: [time-nuts] GPS Jammer

One of fine units from Hong Kong delivered +32dBm of wide-band FM noise centered on 1575MHz!!! Just a tad more range than 10m I would expect. -Brian, WA1ZMS (sent from my over-priced iPad3) On Oct 3, 2012, at 8:44 AM, shali...@gmail.com wrote: It is not that hard to transmit broad band noise