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 Asunto: Re: Modos Digitales y Difusos en HF / VHF / UHF / SHF ..
NotaPublicado: 20 Mar 2010, 00:27 
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Registrado: 22 Nov 2009, 00:48
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Hola Jose (J.Luis) y forer@s,

también hay un análisis del ROS MM en el Blog del creador del SA (SergUA6):

http://signals-analysis.blogspot.com/20 ... modem.html

Incluyo algunas imagenes de sonogramas, ACF y representación espectral (144 saltos !!!)

Imagen

Imagen

Imagen

Imagen


En lo que respecta a la polémica con la ARRL y FCC, afortunadamente, parece que el tema está más calmado

http://rosmodem.wordpress.com/2010/03/1 ... ewing-ros/

"CIMS00002417593 – Request for clarification of new amateur radio digital mode‏
You are receiving this email in response to your inquiry to the FCC.
Thank you for contacting the FCC Consumer Center.
Because your inquiry requests a determination as to whether the system you have developed complies with the amateur service rules, your inquiry has been sent to the staff that administers these rules.

Representative Number : TSR41 "

Jose Alberto sigue depurando y ampliando, la versión del ROS MM va por la 2.8.0 (+ lo que se está "cocinando"), como siempre, en

http://rosmodem.wordpress.com/

ROS Twitter:
http://twitter.com/rosfsk

También nuevas versiones de manuales y descripciones técnicas ..

Manual ROS MM en inglés v1.1

Descripción técnica ROS MM en inglés v1.1

Las frecuencias en las que se puede probar (con el WebSDR mejor en 4 Khz) están aquí:

http://www.mediafire.com/?k12zqdyzyjz



_________________
73 ;)
by SatM
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 Asunto: Re: Modos Digitales y Difusos en HF / VHF / UHF / SHF ..
NotaPublicado: 20 Mar 2010, 07:37 
Tecnoforer@ VIP
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Registrado: 15 Mar 2010, 05:15
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Buenas noches Satm y foro :
Como casi siempre llegas un poco mas alla con tu informacion ,todo bien completo y ordenado .
Cuando busco informacion sobre algo antes de comenzar el rastreo me paso por este foro para ver si
Satm ya busco ,hi .
No se como lo haces ,pero es un placer leerte y comprobar lo profundo que escavas buscando info.
Puedo decir al resto del foro que yo tuve ayuda con respecto a postear informacion sobre ROS en
radioscanner.ru y recibir info de los analistas rusos y tu solito has llegado mas lejos .
Me estare haciendo viejo :?:

Saludos cordiales y 73


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 Asunto: Re: Modos Digitales y Difusos en HF / VHF / UHF / SHF ..
NotaPublicado: 22 Mar 2010, 05:42 
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ROS versus Olivia:

THE ROS NUMBERS
21 March, 2010 by José Alberto Nieto Ros
In the ROS User Guide the author says: “ROS is designed to fully optimize the power available and make contacts in the toughest conditions, for HF, EME or Meteor Scatter”.

Some hams try to compare ROS16 with other modes that are two or three times slower with the aim of obtaining their own conclusions.
That shows that they have little or no knowledge about the fundamentals of a digital communications system.

To know what numbers we are talking we are going to compare two systems operating at 150 characters per minute: ROS 2250-8 vs OLIVIA 32/1000

ROS 2250-8 -19dB

RX8: <12:43 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:44 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:45 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>

OLIVIA 32/1000 -19dB

ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed.
ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed.
ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed.




ROS 2250-8 -20dB

RX8: <12:48 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:49 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:51 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>

OLIVIA 32/1000 -20dB

[?rZOS 9F Mode cve been desi&ned to get QSO'6 of3r a multipath channel usng the
inimum power for a character rate fcxe5%O.{L&$
ROS HF Mdes have been desi&ned to get QSO's ofer a multipath channel ysing the minimum power for a character rate fcxe5.XO.
ROS HF Mdes have been desi&ned to get QSO's ofer a multipath channel using the minimum power for a character rate fcxe5.mO*




ROS 2250-8 -21dB

RX8: <12:52 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:53 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:54 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>

OLIVIA 32/1000 -21dB

wUeOSMF Modes 3ave been esigned t get QSO's ove mslWipath channel usigjthe minimum power f9r a chagVSter rate fixed.
ROtMF Modes 3ave been e"igned get QSO's ove mltipath channel usigjthe minimum powe( f9r a chagaSter rate fixed.
5OtMF Modes ae been e"igned get QSO's ove mltipah chInnel usigithe minimum powu( fFr a chagaSter rate fixed.




ROS 2250-8 -22dB

RX8: <12:56 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:58 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <12:59 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO's over a multipath channel using the minimum power for a character rate fixed. <STOP>

OLIVIA 32/1000 -22dB

s a# ,Sn dOCgnkd$o CeC QSO'sHover a mulrSah cPanel u5in NeRmXni]uL [w_>Gm!o-?Eac*0rtrteKixed.
$$4.Ks a# ,Sn dOCgnkd$o geC QSO'sHover a mulrSah cPannel u5i( eRmXnium [w_>Gm!o-?Eac*0rtrtefixed.
a# ,Sn dOCgnkdto CeC QSO'sHover a mulrSah cPanel u5i! NeRmXni]uL P[w_>pm!o-?ECac*0rtrteKixed.




ROS 2250-8 -23dB

RX8: <13:01 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <13:02 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>
RX8: <13:03 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath channel using the minimum power for a character rate fixed. <STOP>

OLIVIA 32/1000 -23dB

(garbage CHARACTERS)




ROS 2250-8 -24dB

RX8: <13:05 UTC> <0,0 Hz> ROS HF Modes have been designed to get QSO’s over a multipath ch