[time-nuts] Samsung GCRU
Does anyone have the pin outs or photo of the front panel board for a Samsung GCRU (aka CHONGHO, GCRU-D) GPSDO? ___ 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] Star Box
I just picked up a Star Box for $10. It has an Allstar DGPS board inside. I saw several mentions of similar boards in the archives and I have found some documentation on the net. Has anyone actually used one of these in a GPSDO? Does it work any better than the usual Motorola, Rockwell, or other available boards? The other thought is, since this is a DGPS board, how difficult would it be to use it to obtain a more accurate position fix? Or do I need other GPS boards to correlate this one with? I'll admit that so far, I have only skimmed the documentation that I downloaded. If I need to RTFM for my answers, just tell me so. Some data on what I have: Star Box Part No. 100-600304-100 (DGPS Base Station option is checked) Inside the box is a carrier board that has a power supply and an RS-232 TX/RX chip. The GPS board that plugs onto the carrier has a label on the underside that says "VAR 100". This corresponds to the suffix of the part number on the box. The top side of the GPS board has the GPS receiver in a large metal box that is imbossed "ALLSTAR 12" and "CMC", which is the manufacturer (since then bought by Novatel?). Joe Gray W5JG ___ 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] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi Must have blinked counting all the zeros …. Bob On Aug 15, 2013, at 6:36 PM, "Alan Kamrowski II" wrote: > Hi Bob, > > Is it 0.71 ppb off or 0.071 ppb off? > > This is how I calculated it: > > 13939010/13939 = 1000.000717411579022885429371 > answer/1000 = 1.00717411579022885429371 > answer-1 = 7.1741157902288542937083004519693e-11 > answer*1e9 = 0.071741157902288542937083004519693 > > Thanks, > > Alan > > > ___ > 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.
Re: [time-nuts] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi Bob, No biggie - just wanted to make sure I was calculating it right! :) Thanks, Alan -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Bob Camp Sent: Thursday, August 15, 2013 7:35 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] RFTGm-II-Rb - can you gps discipline it without the XO module? Hi Must have blinked counting all the zeros .. Bob On Aug 15, 2013, at 6:36 PM, "Alan Kamrowski II" wrote: > Hi Bob, > > Is it 0.71 ppb off or 0.071 ppb off? > > This is how I calculated it: > > 13939010/13939 = 1000.000717411579022885429371 > answer/1000 = 1.00717411579022885429371 > answer-1 = 7.1741157902288542937083004519693e-11 > answer*1e9 = 0.071741157902288542937083004519693 > > Thanks, > > Alan > > > ___ > 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.
Re: [time-nuts] ThunderBolt Display
He threw a wobbly at me ): -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Dave M Sent: Friday, 16 August 2013 7:31 AM To: time-nuts@febo.com Subject: Re: [time-nuts] ThunderBolt Display > Date: Thu, 15 Aug 2013 10:22:10 -0700 > From: Eric Garner > > Is anyone else having difficulty submitting a request for an order > form? > > > On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson > 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.
Re: [time-nuts] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi Bob, Is it 0.71 ppb off or 0.071 ppb off? This is how I calculated it: 13939010/13939 = 1000.000717411579022885429371 answer/1000 = 1.00717411579022885429371 answer-1 = 7.1741157902288542937083004519693e-11 answer*1e9 = 0.071741157902288542937083004519693 Thanks, Alan ___ 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] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi So your Rb is 0.71 ppb off frequency. That's far enough that's it's worth adjusting. You should be able to get it 10X better than that without a lot of work. Bob On Aug 15, 2013, at 6:02 PM, Alan Kamrowski II wrote: > Hi Rex, > >> I don't think the rubidium module for these systems can be disciplined. >> I think they were only intended as a backup if the XO section or GPS > failed. >> The XO section does discipline but I don't know the details. > > I was hoping since the rubidium module had a light for GPS and an input for > the GPS that it also did the same thing. > >> Trying to trace out some of the circuits, I found that the EFC on the >> LPRO connector was not being used at all. > > That is too bad, but that proves it all right. > > I tried to feed a 1pps signal into the interface pin 9 to see what would > happen, but the NO GPS light never went off and it didn't pull the frequency > at all. > > So far I've done a 4 hour run between the Rb and GPS and counted > 13939010 Rb cycles to 13939 GPS 1pps pulses or 1000.0007174 Hz for > the Rb. > > Thanks, > > Alan > > ___ > 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.
Re: [time-nuts] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi Rex, >I don't think the rubidium module for these systems can be disciplined. >I think they were only intended as a backup if the XO section or GPS failed. >The XO section does discipline but I don't know the details. I was hoping since the rubidium module had a light for GPS and an input for the GPS that it also did the same thing. >Trying to trace out some of the circuits, I found that the EFC on the >LPRO connector was not being used at all. That is too bad, but that proves it all right. I tried to feed a 1pps signal into the interface pin 9 to see what would happen, but the NO GPS light never went off and it didn't pull the frequency at all. So far I've done a 4 hour run between the Rb and GPS and counted 13939010 Rb cycles to 13939 GPS 1pps pulses or 1000.0007174 Hz for the Rb. Thanks, Alan ___ 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] ThunderBolt Display
Date: Thu, 15 Aug 2013 10:22:10 -0700 From: Eric Garner Is anyone else having difficulty submitting a request for an order form? On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson I sent an email requesting the order form; got a quick reply saying that he is getting a feel as to how many assemblies he needs to have made. He says that there are a number of repeat orders as well. I guess that we just need to be patient and he'll get back to each one that wants to place an order. Quoting his reply to me: === Hi David I am just getting a feel for numbers, but I will be able to send you an order form soon. Have you on the list though. I'm getting quite a few repeat orders from previous satisfied customers as well. I must have done something right. Will be in touch. Cheers, Adam, VK4GHZ Cheers, Dave M ___ 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] RFTGm-II-Rb - can you gps discipline it without the XO module?
I don't think the rubidium module for these systems can be disciplined. I think they were only intended as a backup if the XO section or GPS failed. The XO section does discipline but I don't know the details. I'm not sure of the model number, Lucent had several variations on the same theme in that time frame. I had one of the rubidiums that may be the same as yours. Trying to trace out some of the circuits, I found that the EFC on the LPRO connector was not being used at all. On 8/15/2013 7:52 AM, Alan Kamrowski II wrote: Hi Everyone, I've only got the RFTGm-II-Rb module. I found an interface cable specification here: http://www.ko4bb.com/Manuals/05%29_GPS_Timing/RFTG-m/RFTGm%20Interface%20Cab le.pdf Does anyone know if feeding a 1pps signal to pin 9 might discipline it? Or does it need the other connections such as GPS data, etc. Is there a ground on this connector? 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] Lady Heather without a PC
Hi Chris, I've posted this before, but it's worth saying again. I use the PocketPC version of Lady Heather on an IPAQ. These are available for next to nothing on Ebay and can run in a dock on the bench or you can gut it and embed it in a cased Thunderbolt. worn out batteries are not an issue as we have constant power available. They just need 5V. One with an SD card slot is good so you don't have to re-load the code from a PC if the power does go out. Robert G8RPI. From: Chris Albertson To: Discussion of precise time and frequency measurement Sent: Wednesday, 14 August 2013, 18:36 Subject: Re: [time-nuts] ThunderBolt Display What was the problem you found. Other then a "new to you" platform? I'm trying to understand why reading serial data would be hard. An advantage of the Adruino is that you don't need to make a PCB. Even if you want to do something like add a graphical display or and SD card for logging they just plug in, no solder required. Of course the pre-buillt display is even easier but can't be modified. One of my loner term goals is to move lady heather like functions onto a small uP based device. It seems wasteful to use a PC for this. On Wed, Aug 14, 2013 at 10:16 AM, Russ Ramirez wrote: > Yeah, after trying to (reliably) get the time out of the pertinent TSIP > message using an Arduino UNO, I can understand your statement Adam about > the Arduino approach. It kinda works, but it felt like I was fighting the > implementation of the controller card and that I should cut-over to my own > solution using an Atmel, PIC or TI chip that I could just load C code into. > One of this lists members gave me the code I needed, so ironically using > the UNO made the project more difficult. > > Russ > K0WFS > ___ > 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. > -- Chris Albertson Redondo Beach, California ___ 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.
Re: [time-nuts] ThunderBolt Display
Yes, but not for technical reasons. I'm opting to build my own for the $15 in parts. Not quite free, but at the same time this isn't new to me and it won't take long and I'll probably learn a little. -Bob On Thu, Aug 15, 2013 at 11:22 AM, Eric Garner wrote: > Is anyone else having difficulty submitting a request for an order form? > > > On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson < > albertson.ch...@gmail.com > > wrote: > > > What was the problem you found. Other then a "new to you" platform? I'm > > trying to understand why reading serial data would be hard. > > > > An advantage of the Adruino is that you don't need to make a PCB. Even > if > > you want to do something like add a graphical display or and SD card for > > logging they just plug in, no solder required. > > > > Of course the pre-buillt display is even easier but can't be modified. > > > > One of my loner term goals is to move lady heather like functions onto a > > small uP based device. It seems wasteful to use a PC for this. > > > > > > On Wed, Aug 14, 2013 at 10:16 AM, Russ Ramirez > >wrote: > > > > > Yeah, after trying to (reliably) get the time out of the pertinent TSIP > > > message using an Arduino UNO, I can understand your statement Adam > about > > > the Arduino approach. It kinda works, but it felt like I was fighting > the > > > implementation of the controller card and that I should cut-over to my > > own > > > solution using an Atmel, PIC or TI chip that I could just load C code > > into. > > > One of this lists members gave me the code I needed, so ironically > using > > > the UNO made the project more difficult. > > > > > > Russ > > > K0WFS > > > ___ > > > 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. > > > > > > > > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > ___ > > 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. > > > > > > -- > --Eric > _ > Eric Garner > ___ > 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.
Re: [time-nuts] ThunderBolt Display
Me, too. Jimt Sent from *my* galaxy (Nexus). On Aug 15, 2013 1:07 PM, "Mike Feher" wrote: > I sent an email to Andy from the web site and never heard back from him. - > Mike > > Mike B. Feher, EOZ Inc. > 89 Arnold Blvd. > Howell, NJ, 07731 > 732-886-5960 office > 908-902-3831 cell > > -Original Message- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of Eric Garner > Sent: Thursday, August 15, 2013 1:22 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] ThunderBolt Display > > Is anyone else having difficulty submitting a request for an order form? > > > On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson < > albertson.ch...@gmail.com > > wrote: > > > What was the problem you found. Other then a "new to you" platform? > > I'm trying to understand why reading serial data would be hard. > > > > An advantage of the Adruino is that you don't need to make a PCB. > > Even if you want to do something like add a graphical display or and > > SD card for logging they just plug in, no solder required. > > > > Of course the pre-buillt display is even easier but can't be modified. > > > > One of my loner term goals is to move lady heather like functions onto > > a small uP based device. It seems wasteful to use a PC for this. > > > > > > On Wed, Aug 14, 2013 at 10:16 AM, Russ Ramirez > >wrote: > > > > > Yeah, after trying to (reliably) get the time out of the pertinent > > > TSIP message using an Arduino UNO, I can understand your statement > > > Adam about the Arduino approach. It kinda works, but it felt like I > > > was fighting the implementation of the controller card and that I > > > should cut-over to my > > own > > > solution using an Atmel, PIC or TI chip that I could just load C > > > code > > into. > > > One of this lists members gave me the code I needed, so ironically > > > using the UNO made the project more difficult. > > > > > > Russ > > > K0WFS > > > ___ > > > 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. > > > > > > > > > > > -- > > > > Chris Albertson > > Redondo Beach, California > > ___ > > 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. > > > > > > -- > --Eric > _ > Eric Garner > ___ > 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.
Re: [time-nuts] ThunderBolt Display
I sent an email to Andy from the web site and never heard back from him. - Mike Mike B. Feher, EOZ Inc. 89 Arnold Blvd. Howell, NJ, 07731 732-886-5960 office 908-902-3831 cell -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Eric Garner Sent: Thursday, August 15, 2013 1:22 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] ThunderBolt Display Is anyone else having difficulty submitting a request for an order form? On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson wrote: > What was the problem you found. Other then a "new to you" platform? > I'm trying to understand why reading serial data would be hard. > > An advantage of the Adruino is that you don't need to make a PCB. > Even if you want to do something like add a graphical display or and > SD card for logging they just plug in, no solder required. > > Of course the pre-buillt display is even easier but can't be modified. > > One of my loner term goals is to move lady heather like functions onto > a small uP based device. It seems wasteful to use a PC for this. > > > On Wed, Aug 14, 2013 at 10:16 AM, Russ Ramirez >wrote: > > > Yeah, after trying to (reliably) get the time out of the pertinent > > TSIP message using an Arduino UNO, I can understand your statement > > Adam about the Arduino approach. It kinda works, but it felt like I > > was fighting the implementation of the controller card and that I > > should cut-over to my > own > > solution using an Atmel, PIC or TI chip that I could just load C > > code > into. > > One of this lists members gave me the code I needed, so ironically > > using the UNO made the project more difficult. > > > > Russ > > K0WFS > > ___ > > 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. > > > > > > -- > > Chris Albertson > Redondo Beach, California > ___ > 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. > -- --Eric _ Eric Garner ___ 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.
Re: [time-nuts] ThunderBolt Display
Is anyone else having difficulty submitting a request for an order form? On Wed, Aug 14, 2013 at 10:36 AM, Chris Albertson wrote: > What was the problem you found. Other then a "new to you" platform? I'm > trying to understand why reading serial data would be hard. > > An advantage of the Adruino is that you don't need to make a PCB. Even if > you want to do something like add a graphical display or and SD card for > logging they just plug in, no solder required. > > Of course the pre-buillt display is even easier but can't be modified. > > One of my loner term goals is to move lady heather like functions onto a > small uP based device. It seems wasteful to use a PC for this. > > > On Wed, Aug 14, 2013 at 10:16 AM, Russ Ramirez >wrote: > > > Yeah, after trying to (reliably) get the time out of the pertinent TSIP > > message using an Arduino UNO, I can understand your statement Adam about > > the Arduino approach. It kinda works, but it felt like I was fighting the > > implementation of the controller card and that I should cut-over to my > own > > solution using an Atmel, PIC or TI chip that I could just load C code > into. > > One of this lists members gave me the code I needed, so ironically using > > the UNO made the project more difficult. > > > > Russ > > K0WFS > > ___ > > 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. > > > > > > -- > > Chris Albertson > Redondo Beach, California > ___ > 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. > -- --Eric _ Eric Garner ___ 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] RFTGm-II-Rb - can you gps discipline it without the XO module?
Hi Everyone, I've only got the RFTGm-II-Rb module. I found an interface cable specification here: http://www.ko4bb.com/Manuals/05%29_GPS_Timing/RFTG-m/RFTGm%20Interface%20Cab le.pdf Does anyone know if feeding a 1pps signal to pin 9 might discipline it? Or does it need the other connections such as GPS data, etc. Is there a ground on this connector? 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.
Re: [time-nuts] time-nuts Digest, Vol 109, Issue 57
Hi Chris, The fundamental issue was that the same code that worked elsewhere could not decode the 0x8F-AB packet data 100% of the time. I saw the length of this packet vary by a few bits at the code level, so I used a logic analyzer with serial decode to examine the raw data coming in to the Arduino, but that was perfect 100% of the time, and thus the serial port breakout card was functioning OK as I expected. I am reasonably certain my code was fine, but there is always room for some uncertainty there. The project was not so important to me that I was going to spend the time to wrestle down the problem until it was solved. I like the Arduino platform, and because of Wiring and Processing it definitely has a place out there and have had no issues using the same UNO with XBee for example doing some neat mesh networking projects. I also have a Leonardo and a Netduino and about a dozen other micro-controller boards, but I just felt that had I used a TI or a PIC board I would have nailed this first-time with less effort. As far as a PCB goes, you're correct of course, but I already do that sort of thing and would not shy away from it. Yeah, if you can get a LH-like application, maybe optionally driving a color LCD, that would be very cool. For any of these TB apps, I agree that using a PC is overkill, but when you already have them sitting around it's not so bad. I like Adam's board, and any approach like this, because when you put together a TB and a power supply in an enclosure, you're probably going to have room to add a control panel and I think it makes for a nice self-contained solution. Russ What was the problem you found. Other then a "new to you" platform? I'm > trying to understand why reading serial data would be hard. > > An advantage of the Adruino is that you don't need to make a PCB. Even if > you want to do something like add a graphical display or and SD card for > logging they just plug in, no solder required. > > Of course the pre-buillt display is even easier but can't be modified. > > One of my loner term goals is to move lady heather like functions onto a > small uP based device. It seems wasteful to use a PC for this. > ___ 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] WWVB rcvr/comparator
paulsw...@gmail.com said: > Yes indeed tick tick tick. But its funny if something happens and the pen > jumps you can tell its worth going over for a look. SIDs and such. The > digital ones make no noise. For those of you who didn't know and were too busy to look it up: http://en.wikipedia.org/wiki/Sudden_Ionospheric_Disturbance (Minor time sink warning.) We should be able to write some software that would beep (or blink a LED) when the signal strength or delay jumped far enough. You could send a bit of info using morse code. Even a crude number-of-blinks works pretty well. -- These are my opinions. I hate spam. ___ 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.
