Re: [digitalradio] What is SS? Senor Ros is not an honest person !
On Sat, Mar 6, 2010 at 9:12 AM, Arnaldo Coro wrote: >> So, amigos at "digital radio ", my advise , and that's what I am going to >> do, is to >> alert ROS users of the possibility that the author of the software may even >> be >> attempting to use it for other purposes that are not related to amateur >> radio... >> Yep, the "dark side" may be lurking. Ham transceivers are not used only by hams, so it may as well apply... Jose, CO2JA
Re: [digitalradio] What is SS? Senor Ros is not an honest person !
Something was telling me not to install this software, maybe it's a good thing I didn't. From: Arnaldo Coro To: digitalradio@yahoogroups.com Cc: David Sumner ; Richard Moseson Sent: Sat, March 6, 2010 8:12:29 AM Subject: Re: [digitalradio] What is SS? Senor Ros is not an honest person ! Dear amigos: I am really concerned about the damage to the amateur radio hobby generated by a NON AMATEUR in Spain that wrote a software program for a new digital mode that very clearly to me, without any doubts , is a FHSS communications mode. I wrote e-mail messages to this person, and received some very aggressive replies from him... he even used several " bad words" in his messages that show that besides his very primitive knowledge of the English language _ ( he can not communicate effectively using English, as he has demonstrated many times with this very poorly written postings ) he lacks the most basic education and ethics. The topic we are dealing now is not, in my humble opinion, if ROS is or is not FHSS, it this person sent messages explaining or attempting to explain the nature of the ROS software, and then when faced with clear evidence that part of the "market" , and a signficant one indeed , to which he was aiming, could not make use of the ROS software. Now we are seeing on the 20 meters band, under better propagation conditions due to the so far sustained increase in solar activity, that Olivia users are facing interference from ROS users, caused by the ignorance of the Spanish "inventor" about amateur radio. He replied to a senior Cuban professor, a very prestigious telecommunications expert, using what could be described as "foul" language, an indication that confirmed that he was not only answering to my advice in such a disrespectful language. Just to add one more element... when I asked him about the possibility of writing the ROS software for LINUX users, his answer was also a clear demonstration of his ignorance about today's world. So, amigos at "digital radio ", my advise , and that's what I am going to do, is to alert ROS users of the possibility that the author of the software may even be attempting to use it for other purposes that are not related to amateur radio... After all, once you load a program of which you don't known the source code, into your computer, you are at the mercy of those who wrote the computer code... 73 and DX Arnie Coro CO2KK IARU Region II Area C Emergency Coordinator >>
Re: [digitalradio] What is SS? Senor Ros is not an honest person !
Thanks for the caution, Arnie. I will definitely scan my computer for viruses and trojans after installing running loading ROS. The fact that it already sends automatic emails makes one imagine what else might be possible once I have configured it with my email address! 73 - Skip KH6TY Arnaldo Coro wrote: Dear amigos: I am really concerned about the damage to the amateur radio hobby generated by a NON AMATEUR in Spain that wrote a software program for a new digital mode that very clearly to me, without any doubts , is a FHSS communications mode. I wrote e-mail messages to this person, and received some very aggressive replies from him... he even used several " bad words" in his messages that show that besides his very primitive knowledge of the English language _ ( he can not communicate effectively using English, as he has demonstrated many times with this very poorly written postings ) he lacks the most basic education and ethics. The topic we are dealing now is not, in my humble opinion, if ROS is or is not FHSS, it this person sent messages explaining or attempting to explain the nature of the ROS software, and then when faced with clear evidence that part of the "market" , and a signficant one indeed , to which he was aiming, could not make use of the ROS software. Now we are seeing on the 20 meters band, under better propagation conditions due to the so far sustained increase in solar activity, that Olivia users are facing interference from ROS users, caused by the ignorance of the Spanish "inventor" about amateur radio. He replied to a senior Cuban professor, a very prestigious telecommunications expert, using what could be described as "foul" language, an indication that confirmed that he was not only answering to my advice in such a disrespectful language. Just to add one more element... when I asked him about the possibility of writing the ROS software for LINUX users, his answer was also a clear demonstration of his ignorance about today's world. So, amigos at "digital radio ", my advise , and that's what I am going to do, is to alert ROS users of the possibility that the author of the software may even be attempting to use it for other purposes that are not related to amateur radio... After all, once you load a program of which you don't known the source code, into your computer, you are at the mercy of those who wrote the computer code... 73 and DX Arnie Coro CO2KK IARU Region II Area C Emergency Coordinator --- On *Sat, 3/6/10, John B. Stephensen //* wrote: From: John B. Stephensen Subject: Re: [digitalradio] What is SS? To: digitalradio@yahoogroups.com Date: Saturday, March 6, 2010, 4:00 AM The document that the author of ROS originally published, "Introduction to ROS: The Spread Spectrum", contains a good description of frequency-hopping spread-spectrum (FHSS) techniques. Section 4 describes taking a 250 Hz wide mode (MFSK16) and spreading it over 2 kHz by shifting the center frequency in a pseuorandom sequence. The receiver changes frequencies in the same sequence and the logic used to detect a special tone sequence to obtain synchronization is described in section 5. The amount of spectrum occupied increases by a factor of 8. FHSS is one way to minimize the effects of multipath spread but there are also other techniques that occupy less spectrum. Note that the author of ROS published a second doucument,"ROS Technical Description" , that contains elements of the original but does not mention FHSS and omits any description of how data is mapped to tones. Users comparing the original and later versions of the code haven't seen a difference in the transmitted spectrum. 73, John KD6OZH - Original Message - *From:* Rein A *To:* digitalradio@ yahoogroups. com *Sent:* Friday, March 05, 2010 19:16 UTC *Subject:* [digitalradio] What is SS? Here is a reprint that for my limited mental capacities defines the core quite well. I have asked Mike the author for some references, no lack of trust though. - - - - - > -Original Message- > >From: n4qlb > >Sent: Mar 5, 2010 1:15 PM > >To: ROSDIGITALMODEMGROU p...@yahoogroups. com > >Subject: [ROSDIGITALMODEMGRO UP] Re: How do you like ROS Now? > > > >Thank You for your comments Sig. Let me explain what SS is. Spread spectrum is a method by which a bank of channels (Frequencies) are designated between a Transmitter and Receiver and are shared or (Frequency Hopped) to facilitate a clear Transmisson. The Transmitter actually signals the Receiver to Hop from one frequency to another. A good example is a 900mh
Re: [digitalradio] What is SS? Senor Ros is not an honest person !
On Sat, Mar 6, 2010 at 9:12 AM, Arnaldo Coro wrote: > > > > So, amigos at "digital radio ", my advise , and that's what I am going to > do, is to > alert ROS users of the possibility that the author of the software may even be > attempting to use it for other purposes that are not related to amateur > radio... > After all, once you load a program of which you don't known the source code, > into your computer, you are at the mercy of those who wrote the computer > code... > > 73 and DX > Arnie Coro > CO2KK Yikes! That would not be good. Andy K3UK
Re: [digitalradio] What is SS? Senor Ros is not an honest person !
Dear amigos: I am really concerned about the damage to the amateur radio hobby generated by a NON AMATEUR in Spain that wrote a software program for a new digital mode that very clearly to me, without any doubts , is a FHSS communications mode. I wrote e-mail messages to this person, and received some very aggressive replies from him... he even used several " bad words" in his messages that show that besides his very primitive knowledge of the English language _ ( he can not communicate effectively using English, as he has demonstrated many times with this very poorly written postings ) he lacks the most basic education and ethics. The topic we are dealing now is not, in my humble opinion, if ROS is or is not FHSS, it this person sent messages explaining or attempting to explain the nature of the ROS software, and then when faced with clear evidence that part of the "market" , and a signficant one indeed , to which he was aiming, could not make use of the ROS software. Now we are seeing on the 20 meters band, under better propagation conditions due to the so far sustained increase in solar activity, that Olivia users are facing interference from ROS users, caused by the ignorance of the Spanish "inventor" about amateur radio. He replied to a senior Cuban professor, a very prestigious telecommunications expert, using what could be described as "foul" language, an indication that confirmed that he was not only answering to my advice in such a disrespectful language. Just to add one more element... when I asked him about the possibility of writing the ROS software for LINUX users, his answer was also a clear demonstration of his ignorance about today's world. So, amigos at "digital radio ", my advise , and that's what I am going to do, is to alert ROS users of the possibility that the author of the software may even be attempting to use it for other purposes that are not related to amateur radio... After all, once you load a program of which you don't known the source code, into your computer, you are at the mercy of those who wrote the computer code... 73 and DX Arnie Coro CO2KK IARU Region II Area C Emergency Coordinator --- On Sat, 3/6/10, John B. Stephensen wrote: From: John B. Stephensen Subject: Re: [digitalradio] What is SS? To: digitalradio@yahoogroups.com Date: Saturday, March 6, 2010, 4:00 AM The document that the author of ROS originally published, "Introduction to ROS: The Spread Spectrum", contains a good description of frequency-hopping spread-spectrum (FHSS) techniques. Section 4 describes taking a 250 Hz wide mode (MFSK16) and spreading it over 2 kHz by shifting the center frequency in a pseuorandom sequence. The receiver changes frequencies in the same sequence and the logic used to detect a special tone sequence to obtain synchronization is described in section 5. The amount of spectrum occupied increases by a factor of 8. FHSS is one way to minimize the effects of multipath spread but there are also other techniques that occupy less spectrum. Note that the author of ROS published a second doucument,"ROS Technical Description" , that contains elements of the original but does not mention FHSS and omits any description of how data is mapped to tones. Users comparing the original and later versions of the code haven't seen a difference in the transmitted spectrum. 73, John KD6OZH - Original Message - From: Rein A To: digitalradio@ yahoogroups. com Sent: Friday, March 05, 2010 19:16 UTC Subject: [digitalradio] What is SS? Here is a reprint that for my limited mental capacities defines the core quite well. I have asked Mike the author for some references, no lack of trust though. - - - - - > -Original Message- > >From: n4qlb > >Sent: Mar 5, 2010 1:15 PM > >To: ROSDIGITALMODEMGROU p...@yahoogroups. com > >Subject: [ROSDIGITALMODEMGRO UP] Re: How do you like ROS Now? > > > >Thank You for your comments Sig. Let me explain what SS is. Spread spectrum is a method by which a bank of channels (Frequencies) are designated between a Transmitter and Receiver and are shared or (Frequency Hopped) to facilitate a clear Transmisson. The Transmitter actually signals the Receiver to Hop from one frequency to another. A good example is a 900mhz digital cordless telephone or a 800Mhz digital radio truncking system. (Motorla Astro). A frequency in Ham radio consist of a 3kh wide channel. Ros does not signal a receiver to hop outside of that channel (3 Khz) therefore it is not SS and is just like anyother FSK mode used in the amatuer radio service. The ease of obtaining a License in the U.S. by people that are not technically qualified to hold one is the main culprit regarding the controversy over new modes such as ROS. I am confident that all variations of ROS are perfec