Re: [digitalradio] ROS, legal in USA? Letter to FCC

2010-02-21 Thread Rik van Riel
On 02/21/2010 11:31 AM, J. Moen wrote: > But right now, I think that since Part 97 does not appear to define what > SS is, it is not possible to definitively say whether ROS is legal or > not legal in FCC jurisdictions. Asking FCC for an opinion is a great idea. Of course, there is always the dan

Re: [digitalradio] ROS, legal in USA? Letter to FCC

2010-02-21 Thread J. Moen
Excellent idea to ask FCC for an opinion. Dave K3DCW referred to Part 97, but the section he quoted really only describes emission mode designation codes for SS, and does not technically describe how FCC defines SS. It's almost as if Part 97 assumes the definition is so well known that it's

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread Andy obrien
Thanks Skip, I agree after doing some more reading and I will not use this mode on HF. Your UHF idea sounds good. Andy K3Uk On Fri, Feb 19, 2010 at 1:32 PM, KH6TY wrote: > > > Unfortunately, the ROS explanation of Spread Spectrum and Frequency Hopping > in the documentation too closely resemble

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread KH6TY
Unfortunately, the ROS explanation of Spread Spectrum and Frequency Hopping in the documentation too closely resembles the definition of Spread Spectrum as written in the Wikipedia http://en.wikipedia.org/wiki/Spread_spectrum. Since ROS claims to be Frequency Hopping and Spread Spectrum by its

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread Dave Ackrill
Dave Ackrill wrote: > I'd actually say that the term 'spread spectrum' is actually incorrect > as far as RIO is concerned. It's actually no more 'spread' than some of > the other digi-modes and less 'spread' than some versions of Olivia. Sorry, I meant ROS of course. Mark it down as my senior

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread Dave Ackrill
Andy obrien wrote: > Joe, > N8FQ... > > http://www.arrl.org/FandES/field/regulations/news/part97/d-305.html > >

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread Andy obrien
Joe, N8FQ... http://www.arrl.org/FandES/field/regulations/news/part97/d-305.html Describes Spread Spectrum as n

RE: [digitalradio] ROS, legal in USA?

2010-02-19 Thread Giedrius, LY2CG
s. many thanks 73 ivor/m5ply - Original Message - From: Andy obrien <mailto:k3uka...@gmail.com> To: digitalradio@yahoogroups.com Sent: Friday, February 19, 2010 1:23 AM Subject: Re: [digitalradio] ROS, legal in USA? The description says it uses spread-spectrun On Thu,

Re: [digitalradio] ROS, legal in USA?

2010-02-19 Thread ivor peters
m5...@blueyonder.co.uk hello all. can someone tell me where i go to download this ros. many thanks 73 ivor/m5ply - Original Message - From: Andy obrien To: digitalradio@yahoogroups.com Sent: Friday, February 19, 2010 1:23 AM Subject: Re: [digitalradio] ROS, legal in USA

Re: [digitalradio] ROS, legal in USA?

2010-02-18 Thread J. Moen
Jim - K6JM - Original Message - From: Andy obrien To: digitalradio@yahoogroups.com Sent: Thursday, February 18, 2010 5:23 PM Subject: Re: [digitalradio] ROS, legal in USA? The description says it uses spread-spectrun On Thu, Feb 18, 2010 at 7:47 PM, Dave Ackrill wrote:

Re: [digitalradio] ROS, legal in USA?

2010-02-18 Thread Dave Ackrill
Andy obrien wrote: > The description says it uses spread-spectrun How wide is 'wide'? Not got to grips with this as yet, obviously. Dave (G0DJA)

Re: [digitalradio] ROS, legal in USA?

2010-02-18 Thread Joe Veldhuis
As long as it is <500 Hz and <300 baud, it's fine. -Joe, N8FQ On Thu, 18 Feb 2010 19:04:29 -0500 Andy obrien wrote: > Anyone know if this mode is legal in the USA. ? > > Andy K3Uk

Re: [digitalradio] ROS, legal in USA?

2010-02-18 Thread Andy obrien
The description says it uses spread-spectrun On Thu, Feb 18, 2010 at 7:47 PM, Dave Ackrill wrote: > > > Andy obrien wrote: > > Anyone know if this mode is legal in the USA. ? > > Why would it not be Andy? > > I >

Re: [digitalradio] ROS, legal in USA?

2010-02-18 Thread Dave Ackrill
Andy obrien wrote: > Anyone know if this mode is legal in the USA. ? Why would it not be Andy? If it is Audio Phase Shift Keying then it's no different to PSK31, if it is more like WSJT then as long as JT65A (and all the other WSJT modes) are legal, then what makes this one any different? I kn