Re: [digitalradio] Anybody On Tonight?

[Andrew O'Brien]

3582



On Tue, Sep 15, 2009 at 9:42 PM, r_lwesterfield <
r_lwesterfi...@bellsouth.net> wrote:

>
>
>  Where is everybody hanging out?
>
>
>
> Rick – KH2DF/W5
>
> 
>



-- 
Andy

[digitalradio] Anybody On Tonight?

[r_lwesterfield]

Where is everybody hanging out?

 

Rick - KH2DF/W5

[digitalradio] WB4APR Presenting APRS at Digital Communications Conference, September 26th [2 Attachments]

[Mark Thompson]

The ARRL/TAPR DCC (Digital Communications Conference) in Chicago on September 
25 - 27 
has  some very interesting forums  & presentations this year including:  

- Bob Bruninga, WB4APR presenting "Universal Ham Radio Text Messaging" 

WB4APR's presentation is scheduled for Saturday afternoon, September 26th. 
 
More details about the DCC & the forum schedule are below. 
 


ARRL/TAPR DCC (Digital Communications Conference) Forum Schedule Announced
 
TAPR is the premiere national digital organization covering all digital voice & 
data technologies and digital techniques such as SDR. More information about 
TAPR can be found at: www.tapr.org
  
TAPR is active throughout the year. At the Dayton Hamvention TAPR sponsors a 
digital forum and a joint banquet with AMSAT. TAPR publishes a quarterly 
journal, the PSR and develops digital techniques such as SDR. TAPR holds in 
conjuntion with the ARRL an annual national Digital Communication 
Conference. You can follow TAPR's activities, events & updates regularly 
on Twitter at: www.twitter.org/taprdigital
  
The ARRL/TAPR DCC (Digital Communications Conference) will be held on September 
25 - 27, 2009 again in the northwest suburbs of Chicago at the Elk Grove 
Village Holiday Inn near O'Hare airport with a free hotel shuttle bus. 
 
The DCC has something for everyone from those new to digital modes to those 
experienced with digital communications. 
The DCC has 2 full days of Technical forums on Friday & Saturday. On Saturday 
there is an additional  
concurrent track of Introductory forums. On Sunday morning there is a 1/2 
day technical session which is a deep dive into 
one or more digital topics, such as SDR. 
  
The DCC is well known for introducing new technologies & concepts. This 
year presentations include: 
 
* Two Ham DTV, Digital Television presentations by Art, WA8RMC & Ken, 
W6HHC. 
* "Use of Digital Communications at the Marine Corps Marathon in 
Washington D.C."  by Tom, N4ZPT.  
* "Universal Ham Radio Text Messaging" by Bob Bruninga, WB4APR, creator 
of APRS. 
 
 
After the Friday night social we plan to have another D-STAR get together. 
  
The Saturday night banquet speaker will be Bill Brown, WB8ELK. Bill is a 
pioneer in flying BalloonSats, 
balloons with payloads including amateur radio digital communication 
technologies. Bill is also the publisher & 
editor Amateur Television Quarterly Magazine. 
 
You can learn more about the DCC & register on-line at: www.tapr.org/dcc
Registration is preferred prior to September 17th for planning purposes, but 
walk-in registrations will be accepted. 
  
If you can't attend the DCC the Proceedings can be purchased at the TAPR web 
site at: www.tapr.org/pub_dcc.html 
  
Starting last year, 2008 and continuing this year DCC presentations are being 
recorded by 
Amateur Radio Video News. DVDs of the prresentations are available at: 
http://www.arvideonews.com 
  
If you have any questions you can reach the TAPR Office at: 
taproff...@tapr..org  
  
Look foward to seeing many of you at the DCC. 
  
73, Mark, WB9QZB
DCC Local Co-Host
Chicago, IL 
 
The 2009 DCC forum & speaker schedule is attached & is available online at the 
TAPR web site at: 
http://www.tapr.org/pdf/DCC_2009_Schedule_Preliminary2009-09-08.pdf 


  

Re: [digitalradio] Re: Test version of Multipsk about ARQ FAE in ALE400

[Sholto Fisher]

 >So in ALE 400, the Master waits
 > 2.5 sec and the Slave 6 sec, the goal being that at some moment the 
Master
 > hears the Slave or reversely to reconnect.

I didn't realize this with ARQ FAE Patrick. If you use a SELCAL does the 
answering station automatically change mode to "slave" and the 
initiating station to "master" (if it was not already) ?

Sholto
K7TMG


Patrick Lindecker wrote:
>  
> 
> Hello Mike,
> 
> With Windows it is not possible to conceive synchronous system as Pactor,
> because you can't control each sound sample (you can't decide to send a
> sample at a given time) as it was possible under DOS.
> 
> So only asynchronous system as Packet, Pax and ARQ FAE are possible. It
> means that there are no precise moments for which you can receive and
> transmit. It must be accepted to have provisional loss of connection due to
> QSB or QRM and necessarily collisions. If Master and Slave are symetrical
> (same waiting times), they are going to transmit and receive at the same
> moments and consequently never reconnect. So in ALE 400, the Master waits
> 2.5 sec and the Slave 6 sec, the goal being that at some moment the Master
> hears the Slave or reversely to reconnect.
> However, below -10 dB (weak signal) it is very difficult to reconnect.
> We tested this to night with Steinar (LA5VNA) by decreasing TX power down 5
> watts (below it is difficult to know the power).
> 
> 73
> Patrick
> 
> - Original Message -
> From: "mikenetbot"  >
> To: mailto:digitalradio%40yahoogroups.com>>
> Sent: Tuesday, September 15, 2009 10:05 PM
> Subject: [digitalradio] Re: Test version of Multipsk about ARQ FAE in ALE400
> 
>  > Wow Patrick, you're really on top of things tweaking this mode. Good job!
>  >
>  > Could you explain in more detail with the "asymmetry Slave/master is
>  > increased" means? Was the timing of the mode altered?
>  >
>  > --- In digitalradio@ yahoogroups. com 
> , "Patrick Lindecker" 
>  > wrote:
>  >>
>  >> Hello to all testers,
>  >>
>  >> Following the previous tests (which target continues to be to test the
>  >> reconnection in case of QRM, QSB...), I have issued a new test version
>  >> about ARQ FAE in ALE400,
>  >> Modifications:
>  >> * I've reduced the detected bandwith to +/-120 Hz to avoid any off band
>  >> RS ID,
>  >> * the asymetry Slave/master is increased,
>  >> * RS ID is sent at retry 3, 5, 7...
>  >>
>  >> Here is the Multipsk test version:
>  >> http://f6cte. free.fr/MULTIPSK _TEST_15_ 09_2009.ZIP 
> 
>  >>
>  >> Paste this adress in your Internet Explorer or equivalent. Download the
>  >> file.
>  >> Create a tempory folder (C:\TEST, for example), unzip the file in it 
> and
>  >> start C:\TEST\Multipsk. exe (the auxiliary files will be created
>  >> automatically) .
>  >>
>  >>
>  >> For ALE and ALE400, see:
>  >> http://f6cte. free.fr/ALE_ and_ALE400_ easy_with_ Multipsk. doc 
> 
>  >> http://f6cte. free.fr/The_ ARQ_FAE_beacon_ easy_with_ Multipsk. doc 
> 
>  >>
>  >> Experimentation of the ARQ FAE / ALE400
>  >> For experimention, once connected, it would be useful to send 
> something,
>  >> to slighltly change the reception frequency (to create a problem) 
> and to
>  >> see how works the reconnection. It would be also interesting to stop 
> the
>  >> TX power for about 10 seconds to see how it reconnects afterwards.
>  >> Normally, it must reconnect for a S/N >= -10 dB (the S/N measure is 
> near
>  >> the top bar of the "Aux. functions" window).
>  >>
>  >> I will call, to-night, on 3585 KHz USB HF 1000 Hz AF +/- QRM, in ARQ 
> FAE
>  >> / ALE400 for QSO since 20h00 UTC until 20h30 UTC.
>  >> PSE push on the "RX RS ID" button.
>  >>
>  >> Hint: on the waterfall, the beginning of ALE400 transmission seems 
> to be
>  >> 2 paws with 3 nails on each paw.
>  >> If the AF frequency is well adjusted, the 2 blue vertical dashes must
>  >> normally coincide with the 2 central nails.
>  >>
>  >> 73
>  >> Patrick
>  >>
>  >
>  >
>  >
>  >
>  >  - - --
>  >
>  > Announce your digital presence via our Interactive Sked Pages at
>  > http://www.obriensw eb.com/sked 
>  >
>  > Recommended digital mode software: Winwarbler, FLDIGI, DM780, or Multipsk
>  > Logging Software: DXKeeper or Ham Radio Deluxe.
>  >
>  >
>  >
>  > Yahoo! Groups Links
>  >
>  >
>  >
>  >
>  >
> 
> 

Re: [digitalradio] Re: Test version of Multipsk about ARQ FAE in ALE400

[Patrick Lindecker]

Hello Mike,

With Windows it is not possible to conceive synchronous system as Pactor, 
because you can't control each sound sample (you can't decide to send a 
sample at a given time) as it was possible under DOS.

So only asynchronous system as Packet, Pax and ARQ FAE are possible. It 
means that there are no precise moments for which you can receive and 
transmit. It must be accepted to have provisional loss of connection due to 
QSB or QRM and necessarily collisions. If Master and Slave are symetrical 
(same waiting times), they are going to transmit and receive at the same 
moments and consequently never reconnect. So in ALE 400, the Master waits 
2.5 sec and the Slave 6 sec, the goal being that at some moment the Master 
hears the Slave or reversely to reconnect.
However, below -10 dB (weak signal) it is very difficult to reconnect.
We tested this to night with Steinar (LA5VNA) by decreasing TX power down 5 
watts (below it is difficult to know the power).

73
Patrick

- Original Message - 
From: "mikenetbot" 
To: 
Sent: Tuesday, September 15, 2009 10:05 PM
Subject: [digitalradio] Re: Test version of Multipsk about ARQ FAE in ALE400


> Wow Patrick, you're really on top of things tweaking this mode. Good job!
>
> Could you explain in more detail with the "asymmetry Slave/master is 
> increased" means? Was the timing of the mode altered?
>
> --- In digitalradio@yahoogroups.com, "Patrick Lindecker"  
> wrote:
>>
>> Hello to all testers,
>>
>> Following the previous tests (which target continues to be to test the 
>> reconnection in case of QRM, QSB...), I have issued a new test version 
>> about ARQ FAE in ALE400,
>> Modifications:
>> * I've reduced the detected bandwith to +/-120 Hz to avoid any off band 
>> RS ID,
>> * the asymetry Slave/master is increased,
>> * RS ID is sent at retry 3, 5, 7...
>>
>> Here is the Multipsk test version: 
>> http://f6cte.free.fr/MULTIPSK_TEST_15_09_2009.ZIP
>>
>> Paste this adress in your Internet Explorer or equivalent. Download the 
>> file.
>> Create a tempory folder (C:\TEST, for example), unzip the file in it and 
>> start C:\TEST\Multipsk.exe (the auxiliary files will be created 
>> automatically).
>>
>>
>> For ALE and ALE400, see:
>> http://f6cte.free.fr/ALE_and_ALE400_easy_with_Multipsk.doc
>> http://f6cte.free.fr/The_ARQ_FAE_beacon_easy_with_Multipsk.doc
>>
>> Experimentation of the ARQ FAE / ALE400
>> For experimention, once connected, it would be useful to send something, 
>> to slighltly change the reception frequency (to create a problem) and to 
>> see how works the reconnection. It would be also interesting to stop the 
>> TX power for about 10 seconds to see how it reconnects afterwards. 
>> Normally, it must reconnect for a S/N >= -10 dB (the S/N measure is near 
>> the top bar of the "Aux. functions" window).
>>
>> I will call, to-night, on 3585 KHz USB HF 1000 Hz AF +/- QRM, in ARQ FAE 
>> / ALE400 for QSO since 20h00 UTC until 20h30 UTC.
>> PSE push on the "RX RS ID" button.
>>
>> Hint: on the waterfall, the beginning of ALE400 transmission seems to be 
>> 2 paws with 3 nails on each paw.
>> If the AF frequency is well adjusted, the 2 blue vertical dashes must 
>> normally coincide with the 2 central  nails.
>>
>> 73
>> Patrick
>>
>
>
>
>
> 
>
> Announce your digital presence via our Interactive Sked Pages at
> http://www.obriensweb.com/sked
>
> Recommended digital mode software:  Winwarbler, FLDIGI, DM780, or Multipsk
> Logging Software:  DXKeeper or Ham Radio Deluxe.
>
>
>
> Yahoo! Groups Links
>
>
>
>
> 

[digitalradio] Re: Test version of Multipsk about ARQ FAE in ALE400

[mikenetbot]

Wow Patrick, you're really on top of things tweaking this mode. Good job!

Could you explain in more detail with the "asymmetry Slave/master is increased" 
means? Was the timing of the mode altered? 

--- In digitalradio@yahoogroups.com, "Patrick Lindecker"  wrote:
>
> Hello to all testers,
> 
> Following the previous tests (which target continues to be to test the 
> reconnection in case of QRM, QSB...), I have issued a new test version about 
> ARQ FAE in ALE400,
> Modifications: 
> * I've reduced the detected bandwith to +/-120 Hz to avoid any off band RS ID,
> * the asymetry Slave/master is increased,
> * RS ID is sent at retry 3, 5, 7...
> 
> Here is the Multipsk test version: 
> http://f6cte.free.fr/MULTIPSK_TEST_15_09_2009.ZIP
> 
> Paste this adress in your Internet Explorer or equivalent. Download the file.
> Create a tempory folder (C:\TEST, for example), unzip the file in it and 
> start C:\TEST\Multipsk.exe (the auxiliary files will be created 
> automatically). 
> 
> 
> For ALE and ALE400, see:
> http://f6cte.free.fr/ALE_and_ALE400_easy_with_Multipsk.doc
> http://f6cte.free.fr/The_ARQ_FAE_beacon_easy_with_Multipsk.doc
> 
> Experimentation of the ARQ FAE / ALE400
> For experimention, once connected, it would be useful to send something, to 
> slighltly change the reception frequency (to create a problem) and to see how 
> works the reconnection. It would be also interesting to stop the TX power for 
> about 10 seconds to see how it reconnects afterwards. Normally, it must 
> reconnect for a S/N >= -10 dB (the S/N measure is near the top bar of the 
> "Aux. functions" window).
> 
> I will call, to-night, on 3585 KHz USB HF 1000 Hz AF +/- QRM, in ARQ FAE / 
> ALE400 for QSO since 20h00 UTC until 20h30 UTC.
> PSE push on the "RX RS ID" button. 
> 
> Hint: on the waterfall, the beginning of ALE400 transmission seems to be 2 
> paws with 3 nails on each paw.
> If the AF frequency is well adjusted, the 2 blue vertical dashes must 
> normally coincide with the 2 central  nails.
> 
> 73
> Patrick
>

RE: [digitalradio] Provisional article on RS ID on Wikipedia

[Rud Merriam]

I went into Wikipedia and removed the deletion notice. I added a comment
that this is a good article for the world-wide amateur radio community and
it should remain.


 - 73 - 
Rud Merriam K5RUD
ARES AEC Montgomery County, TX 
http://mysticlakesoftware.com/ 

-Original Message-
From: Patrick Lindecker [mailto:f6...@free.fr] 
Sent: Tuesday, September 15, 2009 1:05 PM
To: multi...@yahoogroups.com; multipsk_t...@yahoogroups.com;
alera...@yahoogroups.com; digitalradio@yahoogroups.com
Subject: [digitalradio] Provisional article on RS ID on Wikipedia




Hello to all,
 
For the ones interessed by RS ID (and Video ID), I have put an article on
Wikipedia about this subject.
http://en.wikipedia.org/wiki/Reed_Solomon_Identifier_(RSID)
 
This article is going to be deleted from Wikipedia the 19/09/2009, so...
 
The original article (with two pictures but not updated) is on my WEB site: 
http://f6cte.free.fr/PAPERS.ZIP
 
73
Patrick
 
 
 

Re: [digitalradio] Test version of Multipsk about ARQ FAE in ALE400

[Steinar Aanesland]

Hi Patrick,
 
I will be there

la5vna Steinar



Patrick Lindecker wrote:
> Hello to all testers,
>
> Following the previous tests (which target continues to be to test the 
> reconnection in case of QRM, QSB...), I have issued a new test version about 
> ARQ FAE in ALE400,
> Modifications: 
> * I've reduced the detected bandwith to +/-120 Hz to avoid any off band RS ID,
> * the asymetry Slave/master is increased,
> * RS ID is sent at retry 3, 5, 7...
>
> Here is the Multipsk test version: 
> http://f6cte.free.fr/MULTIPSK_TEST_15_09_2009.ZIP
>
> Paste this adress in your Internet Explorer or equivalent. Download the file.
> Create a tempory folder (C:\TEST, for example), unzip the file in it and 
> start C:\TEST\Multipsk.exe (the auxiliary files will be created 
> automatically). 
>
>
> For ALE and ALE400, see:
> http://f6cte.free.fr/ALE_and_ALE400_easy_with_Multipsk.doc
> http://f6cte.free.fr/The_ARQ_FAE_beacon_easy_with_Multipsk.doc
>
> Experimentation of the ARQ FAE / ALE400
> For experimention, once connected, it would be useful to send something, to 
> slighltly change the reception frequency (to create a problem) and to see how 
> works the reconnection. It would be also interesting to stop the TX power for 
> about 10 seconds to see how it reconnects afterwards. Normally, it must 
> reconnect for a S/N >= -10 dB (the S/N measure is near the top bar of the 
> "Aux. functions" window).
>
> I will call, to-night, on 3585 KHz USB HF 1000 Hz AF +/- QRM, in ARQ FAE / 
> ALE400 for QSO since 20h00 UTC until 20h30 UTC.
> PSE push on the "RX RS ID" button. 
>
> Hint: on the waterfall, the beginning of ALE400 transmission seems to be 2 
> paws with 3 nails on each paw.
> If the AF frequency is well adjusted, the 2 blue vertical dashes must 
> normally coincide with the 2 central  nails.
>
> 73
> Patrick
>   

[digitalradio] Provisional article on RS ID on Wikipedia

[Patrick Lindecker]

Hello to all,

For the ones interessed by RS ID (and Video ID), I have put an article on 
Wikipedia about this subject.
http://en.wikipedia.org/wiki/Reed_Solomon_Identifier_(RSID)

This article is going to be deleted from Wikipedia the 19/09/2009, so...

The original article (with two pictures but not updated) is on my WEB site: 
http://f6cte.free.fr/PAPERS.ZIP

73
Patrick

[digitalradio] Test version of Multipsk about ARQ FAE in ALE400

[Patrick Lindecker]

Hello to all testers,

Following the previous tests (which target continues to be to test the 
reconnection in case of QRM, QSB...), I have issued a new test version about 
ARQ FAE in ALE400,
Modifications: 
* I've reduced the detected bandwith to +/-120 Hz to avoid any off band RS ID,
* the asymetry Slave/master is increased,
* RS ID is sent at retry 3, 5, 7...

Here is the Multipsk test version: 
http://f6cte.free.fr/MULTIPSK_TEST_15_09_2009.ZIP

Paste this adress in your Internet Explorer or equivalent. Download the file.
Create a tempory folder (C:\TEST, for example), unzip the file in it and start 
C:\TEST\Multipsk.exe (the auxiliary files will be created automatically). 


For ALE and ALE400, see:
http://f6cte.free.fr/ALE_and_ALE400_easy_with_Multipsk.doc
http://f6cte.free.fr/The_ARQ_FAE_beacon_easy_with_Multipsk.doc

Experimentation of the ARQ FAE / ALE400
For experimention, once connected, it would be useful to send something, to 
slighltly change the reception frequency (to create a problem) and to see how 
works the reconnection. It would be also interesting to stop the TX power for 
about 10 seconds to see how it reconnects afterwards. Normally, it must 
reconnect for a S/N >= -10 dB (the S/N measure is near the top bar of the "Aux. 
functions" window).

I will call, to-night, on 3585 KHz USB HF 1000 Hz AF +/- QRM, in ARQ FAE / 
ALE400 for QSO since 20h00 UTC until 20h30 UTC.
PSE push on the "RX RS ID" button. 

Hint: on the waterfall, the beginning of ALE400 transmission seems to be 2 paws 
with 3 nails on each paw.
If the AF frequency is well adjusted, the 2 blue vertical dashes must normally 
coincide with the 2 central  nails.

73
Patrick

[digitalradio] ALE400 software

[csm1096]

What program are you guys using to run ALE400? 

I may give this mode a shot.

Bob - K3MQ