Re: [digitalradio] Re: JT65A harmonics

2010-03-07 Thread Jose A. Amador
El 06/03/2010 14:53, Rein A escribió: Hello Jose, I always set the sound card volume, the modulation, that when changing the volume setting, the output of the transmitter will follow in a linear fashion. This is very important in particular for WSPR and WSPR-QSO modes. 73 Rein W6SZ I do

[digitalradio] Re: JT65A harmonics

2010-03-06 Thread Rein A
Hello Jose, I always set the sound card volume , the modulation, that when changing the volume setting , the output of the transmitter will follow in a linear fashion. This is very important in particuar for WSPR and WSPR-QSO modes. 73 Rein W6SZ --- In digitalradio@yahoogroups.com, Jose A.

[digitalradio] Re: JT65A harmonics

2010-03-06 Thread pd4u_dares
In WSPR it sometimes happens that stations are spotted +50Hz and -50Hz their dial frequency. --- In digitalradio@yahoogroups.com, Andy obrien k3uka...@... wrote: While harmonics from modes like PSK31 are common, I have never seen a JT65A signal generate what you describe. Interesting. Andy

[digitalradio] Re: JT65A Beacon on 60m

2009-11-12 Thread Steinar Aanesland
QRT now 73 la5vna Steinar Steinar Aanesland wrote: Hi all I am running a 5W JT65A beacon at 5310 Khz + 1270Hz USB this evening, with start at 1830 UTC. The transceiver is a modified ICOM IC-718 and the antenna is a w3dzz (80, 40 an 20m) tuned with a LDG AT-100Pro Autotuner. Try to

[digitalradio] Re: JT65A on 17 30M

2009-06-01 Thread expeditionradio
http://hflink.com/jt65/ JT65A HF Frequencies VFO FREQ - 28076.0 kHz USB - 24920.0 kHz USB - 21076.0 kHz USB - 18102.0 kHz USB * 14076.0 kHz USB * 10139.0 kHz USB - 7036.0 kHz USB - 7039.0 kHz USB - 7076.0 kHz USB -

[digitalradio] Re: JT65A on 17 30M

2009-05-30 Thread Bill McLaughlin
--- In digitalradio@yahoogroups.com, Dave dco...@... wrote: Does anyone use JT65A on 17 or 30 meters, and if so, what frequency is used on both? Tnx es 73 Dave KB3MOW Hi Dave, Thanks for the 80 meter jt65A contact tonight. Most use 10.139 for jt65a but it is crowded with Winlink,

[digitalradio] Re: JT65A goin' to hell in a handbasket

2009-03-13 Thread Kim
To tell the truth most of that year and a half was spent trying to figure out who transmits first and who transmits second, and that it can be either or but not not the same. That and trying to figure out how to set their computer clocks over the internet was a tough nut to crack. They

[digitalradio] Re: JT65A - gotaway

2008-01-04 Thread AE9K
In this case I'm fairly certain they're not false decodes. I finished a JT65A QSO with KD5JGA on 80m 18 minutes prior to what you saw. He started calling CQ again afterwards. -Dan, AE9K Dave , there is a well known WSJT phenomenon whereby one receives FALSE CQs. . The 1 0 after the

Re: [digitalradio] Re: JT65A - gotaway

2008-01-04 Thread Eddie Chandler
:18 PM Subject: [digitalradio] Re: JT65A - gotaway In this case I'm fairly certain they're not false decodes. I finished a JT65A QSO with KD5JGA on 80m 18 minutes prior to what you saw. He started calling CQ again afterwards. -Dan, AE9K Dave , there is a well known WSJT phenomenon whereby one

[digitalradio] Re: JT65A : DESDE URUGUAY CON PROBLEMAS

2007-12-11 Thread cesco12342000
Pese al ajuste del reloj, las señales empìezan a aparecer en la cascada en cualquier momento y no en el punto del cambio de minuto como debería ser. He did adjust the clock, but signals are starting ramdomly, not at minute boundaries. I guess the clock adjustment went wrong.

RE: [digitalradio] Re: JT65A : DESDE URUGUAY CON PROBLEMAS

2007-12-11 Thread Barry Garratt
, December 11, 2007 6:05 PM To: digitalradio@yahoogroups.com Subject: [digitalradio] Re: JT65A : DESDE URUGUAY CON PROBLEMAS Pese al ajuste del reloj, las señales empìezan a aparecer en la cascada en cualquier momento y no en el punto del cambio de minuto como debería ser. He did adjust

Re: [digitalradio] Re: jt65a is an automatic mode

2007-10-02 Thread Rick
Robert, The reason that radio amateurs discussing automatic operation would use the term is primarily because that is the term used under Part 97. On the other hand Part 97 does not reference the word unattended. We need to insure we are talking the same language, and not substitute

Re: [digitalradio] Re: jt65a is an automatic mode

2007-10-01 Thread Robert Thompson
It would seem that automatic is a word that provokes un-helpful discussion. Since no meaningful discussion can be held without shared terms and meanings, maybe we could consider the following definitions rather than using the nebulous and diverse automatic: Unattended: Cases where there is no

Re: [digitalradio] Re: jt65a is an automatic mode

2007-09-27 Thread Peter Frenning [OZ1PIF]
Bonnie if you are always this untrustworthy, i better remove the link to your homepage from mine: /- 1. It has an AUTOMATIC button. / Which button is that? I must be blind, I have conducted more that 1500 QSO whith WSJT in various modes, and have never had a glimpse of such a button... /- 2.

Re: [digitalradio] Re: jt65a is an automatic mode

2007-09-27 Thread Roger J. Buffington
expeditionradio wrote: JT65a is certainly an automatic mode. It is as automatic as any other automatic system. It perfectly fits the definitions of automatic in both the strictest sense and in many other ways, figuratively, literally and as used in RF communications: It sounds like a

[digitalradio] Re: jt65a is an automatic mode

2007-09-27 Thread expeditionradio
OZ1PIF/5Q2M, Peter wrote: /- 1. It has an AUTOMATIC button. / Which button is that? I must be blind, Hi Peter, The JT65A automatic button is the button labeled: AUTO IS ON You can easily see the Auto button in this image, it is red color: http://www.obriensweb.com/image15.jpg JT65A is a

Re: [digitalradio] Re: jt65a is an automatic mode

2007-09-27 Thread Jose A. Amador
Not at all. It is a mode where humans must decide if a QSO is valid. EME ops are certainly picky about this. It is meant for EME, it was not created as another automatic box. Of course, it has proven useful for extreme HF DX as well, which is not as extreme as EME may prove to be. I would

[digitalradio] Re: jt65a is an automatic mode

2007-09-27 Thread Brian A
Roger, The real thing that gets in my craw about JT65 is the 60 second continuous transmissions for each QSO segment. On HF, this could surely be reduced to 30 seconds or less. I've yet to have really weak ones reply that would have needed the long decode period. I understand the need for

[digitalradio] Re: jt65a is an automatic mode

2007-09-26 Thread Bill McLaughlin
Hello Bonnie, Not sure I proved anything :) If I fall asleep on my keyer is that an unattended CW mode? If I leave my vox on and background noise keys the xmitter is that an attended SSB mode? What is at issue is *intentional* automatic modes, not my cat stepping on the ptt. JT65 is not an

[digitalradio] Re: jt65a is an automatic mode

2007-09-26 Thread expeditionradio
Bill N9DSJ wrote: JT65 is not an automatic or semi-automatic mode in any sense of the definition. Bill, JT65a is certainly an automatic mode. It is as automatic as any other automatic system. It perfectly fits the definitions of automatic in both the strictest sense and in many other

[digitalradio] Re: jt65a is an automatic mode

2007-09-26 Thread Bill McLaughlin
*confused look* --- In digitalradio@yahoogroups.com, expeditionradio [EMAIL PROTECTED] wrote: Bill N9DSJ wrote: JT65 is not an automatic or semi-automatic mode in any sense of the definition. Bill, JT65a is certainly an automatic mode. It is as automatic as any other automatic

[digitalradio] Re: jt65a is an automatic mode

2007-09-25 Thread expeditionradio
Bill N9DSJ wrote: I would be hard pressed to fit JT modes into any definition of unattended, semi-automatic or automatic operation. Hi Bill, You proved my point that what we now consider just a normal feature of software or radio operation, is something that we once considered automatic

[digitalradio] Re: jt65a is an automatic mode

2007-09-25 Thread Dave Bernstein
You've missed the point entirely. From what several JT65 users reported, these automatic capabilities are there to assist an operator who sees the decoded receiver output and would not initiate transmission if the frequency were in use. The station is not running unattended. Does writing case

[digitalradio] Re: jt65a

2007-09-24 Thread Dave Bernstein
Thanks, David. I was just responding to Bonnie's assertion that some JT65 stations operate unattended. I guess her claim was incorrect. 73, Dave, AA6YQ --- In digitalradio@yahoogroups.com, David Michael Gaytko // WD4KPD [EMAIL PROTECTED] wrote: The same is true for

Re: [digitalradio] Re: jt65a

2007-09-24 Thread Leigh L Klotz, Jr.
WSJT features an auto checkbox, which, when enabled, automatically switches to the next message in sequence, after each over. The transmit times for both stations are defined and are on odd/even minute boundaries. From the documentation at http://2yf444 (select the English PDF) Auto:

[digitalradio] Re: jt65a

2007-09-24 Thread Bill McLaughlin
Yes, In a sense - it actually switches to the next *manually selected* sequence when the time clicks; it is in no-way linked to any over by another station (I know you know this Leigh, but just to clarify for others). It is the same as sending any macro or otherwise pre-canned message on

[digitalradio] Re: jt65a

2007-09-24 Thread Bill McLaughlin
Yes, In a sense - it actually switches to the next *manually selected* sequence when the time clicks; it is in no-way linked to any over by another station (I know you know this Leigh, but just to clarify for others). It is the same as sending any macro or otherwise pre-canned message on

Re: [digitalradio] Re: jt65a

2007-09-24 Thread Andrew O'Brien
Exactly , Bill. Winwarbler , Multipsk, and otehr software packages allow a user to program beacons of varying digital modes. I can set my CQ message to repeat every 60 seconds. This is not unattended modes that we are talking about when mentioning PACTOR. Andy K3UK On 9/24/07, Bill McLaughlin

[digitalradio] Re: jt65a

2007-09-24 Thread Dave Bernstein
WinWarbler's repeat macro is limited to a maximum of 25 repetitions with listening intervals of no more than 15 seconds between repetitions. It thus cannot be used for unattended beaconing. 73, Dave, AA6YQ --- In digitalradio@yahoogroups.com, Andrew O'Brien [EMAIL PROTECTED] wrote:

[digitalradio] RE: JT65A HF query/observations

2007-06-01 Thread Phil Cooper
Hi all, Yes, I can see how JT65A is great when signals are weak, but almost all JT65A contacts here in Europe are between EU stations. I have seen the occasional JA station, and one or two ZS stations, but trying to get to work them is almost impossible due to the number of stations that call

Re: [digitalradio] RE: JT65A HF query/observations

2007-06-01 Thread Chris Danis
Phil, One of the columns shown in the WSJT main window (where signals are decoded) is DF. This stands for delta frequency and displays how many Hz +/- you must tune to be exactly on top of the decoded station. As for logging RST, I always use OOO. It's weird for HF, yes, but is the standard

[digitalradio] Re: JT65A HF query/observations

2007-05-31 Thread pcooper
Hello Brian and the group, I am new to this group as well, and also have a couple of queries of my own First, some comments regarding the observations of Brian K3KO: I am also a little puzzled as to the worthiness of JT65A on 20m. Most of the few contacts I have had have also been

Re: [digitalradio] Re: JT65A HF query/observations

2007-05-31 Thread Kenji Rikitake JJ1BDX
In the message [EMAIL PROTECTED] dated Wed, May 30, 2007 at 02:39:15PM +0100, pcooper [EMAIL PROTECTED] writes: And what about LoTW submissions? How do you get LoTW to handle JT65A? Just use JT65 for the mode field. https://p1k.arrl.org/lotw/faq#modes // Kenji Rikitake, JJ1BDX(/3)

[digitalradio] Re: JT65A HF query/observations

2007-05-30 Thread Brian A
Let me play devil's advocate. Regarding HF JT65A operation in practice in the presence of the usual atmospherics. If I can't hear a signal, chances are near zero that it will be found tuning about the band by looking at the waterfalls. One almost needs to sked such difficult paths. You have to

Re: [digitalradio] Re: JT65A HF query/observations

2007-05-30 Thread Andrew O'Brien
but the nature of the WSJT software is that it will decode signls within a 600 Hz range. So, unlike many other modes, even if you are off frequency and not able to hear anything...it will decode. Andy On 5/30/07, Brian A [EMAIL PROTECTED] wrote: Let me play devil's advocate. Regarding

[digitalradio] Re: JT65A HF query/observations

2007-05-30 Thread Bill McLaughlin
Hi, The appeal of JT65 is multi-faceted...works great deep into the noise so I can work stations as meager as more own at some distance. Also the freq tolerance, as you mentioned. It is automated so a double right click on another call sets things in motion - sit back and watch! Socially it

[digitalradio] Re: JT65A pile-up on 40M.

2007-04-19 Thread cesco12342000
Double-click the trace you want decoded. Then double click another one. Works fine.

Re: [digitalradio] Re: JT65A and ARRL Field Day

2007-04-19 Thread John Gleichweit
Since the exchange isn't more than 7 characters on either side (3 for count and class, space, 3 for section) it looks like it would work plenty well for FD contesting. On Wed, 18 Apr 2007 08:08:17 -0400, Andrew O'Brien [EMAIL PROTECTED] wrote: You can type anything you want in the TX1 to TX6

[digitalradio] Re: JT65A operating protocol question:

2007-04-19 Thread Andrew O'Brien
-I think that is a great idea. -- In digitalradio@yahoogroups.com, Patricia \(Elaine\) Gibbons [EMAIL PROTECTED] wrote: Would it be beneficial for stations calling CQ to transmit on even minutes (TX first) , while stations answering CQ's use odd minutes (TX second) ??? Jus wonderin ..

[digitalradio] Re: JT65A and future of slow MFSK

2007-04-17 Thread cesco12342000
The codebase appears to be GPL Yes, the source is there, but it's a mix of phyton, fortran and C. Not easy to see trough, or to build it. btw the intel fortran compiler is free for 30 days ...

[digitalradio] Re: JT65A Slow decoding

2007-04-16 Thread Bill McLaughlin
Hi, Also go to the decode psuedo-button and disble deepsearch options...might miss a weak sign in the deepsearch file but will speed up the decodes... 73 Bill N9DSJ --- In digitalradio@yahoogroups.com, Darrel Smith [EMAIL PROTECTED] wrote: Hi Marc With my Compaq Deskpro 731Mhz usually

[digitalradio] Re: JT65A

2007-04-09 Thread Scott Tilley
When monitoring JT65A I decoded CQ N4WO EL88 1 and 0 What is the 1 and zero? Also what is the meaning of the # and * I see in the decoded lines? Dan Hi Dan and fellow JT65 fans You ask a very good question as understanding the meaning of these symbols is at the heart of digging deep

[digitalradio] Re: JT65A on 18.102 MHz

2007-04-08 Thread Dave
Not hearing you or anyone else on 18.102, and apparently nobody hearing me either. Good condx here with almost no noise. 73 Dave KB3MOW --- In digitalradio@yahoogroups.com, Steinar Aanesland [EMAIL PROTECTED] wrote: Hi Andy and the gang, I have some static because of snowing, and the

Re: [digitalradio] Re: JT65A on 18.102 MHz

2007-04-08 Thread Steinar Aanesland
Hi, What about trying 30m ? I am sending cq on 10.147 USB now. 73 de la5vna Steinar Dave wrote: Not hearing you or anyone else on 18.102, and apparently nobody hearing me either. Good condx here with almost no noise. 73 Dave KB3MOW --- In digitalradio@yahoogroups.com

Re: [digitalradio] Re: JT65A on 18.102 MHz

2007-04-08 Thread Darrel Smith
The RTTY has left 20M and it is very quite now. I am on 14.076 along with many others. Darrel VE7CUS On 8-Apr-07, at 8:59 AM, Steinar Aanesland wrote: Hi, What about trying 30m ? I am sending cq on 10.147 USB now. 73 de la5vna Steinar Dave wrote: Not hearing you or anyone else on

Re: [digitalradio] Re: JT65A on 18.102 MHz

2007-04-08 Thread Dave Corio
Sorry, Steiner, but not hearing you there either. I have an S-5 noise level right there, though, plus the usual packet stations. 73 Dave KB3MOW Steinar Aanesland wrote: Hi, What about trying 30m ? I am sending cq on 10.147 USB now. 73 de la5vna Steinar Dave wrote: Not hearing you or

Re: [digitalradio] Re: JT65A on 18.102 MHz

2007-04-08 Thread Steinar Aanesland
OK , I got ZS6BUN on 30m now :) :) :) LA5VNA Steinar Darrel Smith wrote: The RTTY has left 20M and it is very quite now. I am on 14.076 along with many others. Darrel VE7CUS On 8-Apr-07, at 8:59 AM, Steinar Aanesland wrote: Hi, What about trying 30m ? I

Re: [digitalradio] Re: JT65A Confused

2007-04-05 Thread Jose A. Amador
Chris Danis wrote: On 4/4/07, Jose A. Amador [EMAIL PROTECTED] wrote: Are all those DIAL frequencies? Jose, Yeah, dial frequencies. Audio frequencies typically used for JT65 (at least in every QSO I've seen/worked) have been around 1200Hz. best 73, -chris N2YYZ RGRthanks !

[digitalradio] Re: JT65A Confused

2007-04-04 Thread Andrew O'Brien
Alan, The software contains no reference to HF and the listed bands are 6M and above. Use of it on HF has started within the past couple of weeks. The JT65A is the mode that people are using on HF, not the other modes in WSJT. 7076 LSB 7076 USB 18102 USB 24910 USB 10147 USB 14076 USB Are

Re: [digitalradio] Re: JT65A Confused

2007-04-04 Thread Jose A. Amador
Andy, Are all those DIAL frequencies? Jose, CO2JA -- Andrew O'Brien wrote: Alan, The software contains no reference to HF and the listed bands are 6M and above. Use of it on HF has started within the past couple of weeks. The JT65A is the mode that people are using on HF, not the

Re: [digitalradio] Re: JT65A Confused

2007-04-04 Thread Chris Danis
On 4/4/07, Jose A. Amador [EMAIL PROTECTED] wrote: Are all those DIAL frequencies? Jose, Yeah, dial frequencies. Audio frequencies typically used for JT65 (at least in every QSO I've seen/worked) have been around 1200Hz. best 73, -chris N2YYZ

Re: [digitalradio] Re: JT65A Confused

2007-04-04 Thread Chris Danis
On 4/4/07, Chris Danis [EMAIL PROTECTED] wrote: Yeah, dial frequencies. Audio frequencies typically used for JT65 (at least in every QSO I've seen/worked) have been around 1200Hz. I should add (sent that a little too soon) that JT65 is the easiest mode to tune I've ever seen: the software

Re: [digitalradio] Re: JT65A bandwith

2007-04-04 Thread Andrew O'Brien
and... JT65 transmits messages using 65-tone frequency-shift keying at 2.7 baud. The lowest tone at 1270.5 Hz is used to establish time and frequency synchronization; it is switched on for half of the time, according to a pseudo-random on-off pattern. The remaining tone intervals carry the

[digitalradio] Re: jt65a channels ?

2007-04-04 Thread Andrew O'Brien
-I agree David, and think that us digital folks can help the WSJT folks usually up on VHF/IHF to adopt our convention of using USB on all bands. Great going on the contients you have worked! Andy K3UK -- In digitalradio@yahoogroups.com, David Michael Gaytko // WD4KPD [EMAIL PROTECTED] wrote:

[digitalradio] Re: JT65A Confused

2007-04-04 Thread Andrew O'Brien
-Yes Howard the DL heard you and was calling back from his JO52 grid square. You'll be shocked with this mode, convinced the signal is too weak to decode and then see a completed sequence pop up on you screen To copy, just highlight then control C and past as control V Andy K3UK -- In

[digitalradio] Re: JT65A stirs Throb activity

2007-04-01 Thread 7L4IOU
Hi Andy I made some Throb QSOs yesterday. The synchronization and tuning was critical, but it was comfortable after once locking. My QRG was Dial:14,075kHz(USB) AF:1500Hz with RS-ID. 73 Hisami 7L4IOU I'm not sure if it is coincidence or not but I have heard a lot of Throb activity today on

[digitalradio] Re: JT65A for HF

2007-03-31 Thread Andrew O'Brien
This web page might help discover activity http://www.chris.org/cgi-bin/jt65talkrote: Andy K3UK I am on 14.076 in JT65A and received CQ VE3FGU FN04 right now. LA5VNA Steinar Andrew O'Brien wrote: I have acquire the software and have mode JT65A working with my rig.