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jobdone Profile
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Freebander

Registered: 12-2014
Posts: 24
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ROS


anyone active on ROS on 11M or any freq?. I've not long set up my battered old multimode II on 27.635 and have heard some good DX. You also get to see the stations that have heard you over the internet emoticon. http://rosmodem.wordpress.com/

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de 26fb635
30/Dec/2014, 11:35 am Link to this post Send Email to jobdone   Send PM to jobdone Blog
 
yamanx1 Profile
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Head Honcho

Registered: 09-2007
Location: In a world of my own
Posts: 4894
Karma: 40 (+41/-1)
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Re: ROS


Can you explain how this works and how to set up a radio to send and receive ROS emoticon

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By all means think yourself big, but never think others small.... R.F.Scott
30/Dec/2014, 1:36 pm Link to this post Send Email to yamanx1   Send PM to yamanx1
 
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Freebander

Registered: 12-2014
Posts: 24
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Re: ROS


Yeah no problem, if you have any data modes running, you'll be good to go , just load the software but if not you'll need a way to key the radio and some audio leads , one from the pc to the radio's mic lead and one from the speaker socket of the radio to the mic socket on the pc. I use a com port keyer to key the radio (a 4n25 (or a basic transistor), a diode and a resistor should be enough) although you could tx the radio by hand as you have enough time. set the software up, and get your audio levels low/high enough and tune your radio to 27.635USB and your good to go.It is advisable to use audio transformers , but not essential!

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de 26fb635
30/Dec/2014, 6:58 pm Link to this post Send Email to jobdone   Send PM to jobdone Blog
 
13FB044 Profile
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New Kid On The Block

Registered: 07-2014
Location: Saarland/Germany
Posts: 4
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Re: ROS


ROS is an easy to handle digital Mode.
I use it since 2012 and had many contacts
worlwide in this Mode emoticon !
I really like it!
Try it and You will be happy how good and easy
it works !!

73 de 13FB044

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RIG: AE485S/Grant II and some Helpfull Things !
23/Jan/2015, 8:36 pm Link to this post Send Email to 13FB044   Send PM to 13FB044 Blog
 
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Freebander

Registered: 12-2014
Posts: 24
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Re: ROS


It was nice to hear you on air (11M ROS) today, 13FB044 , nice signal over here :-). I also noticed 30FB004 was decoding my signal too (RX only) but it's nice to see more foxtrot bravo's on ROS.

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de 26fb635
11/May/2015, 4:22 pm Link to this post Send Email to jobdone   Send PM to jobdone Blog
 
Spac3Monk3y Profile
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Freebander

Registered: 06-2014
Location: No Place Like 127.0.0.1
Posts: 252
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Re: ROS


Read me .pdf

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12/May/2015, 12:44 am Link to this post Send PM to Spac3Monk3y
 
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Freebander

Registered: 12-2014
Posts: 24
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Re: ROS


Thanks 13FB1976 for the ROS chat a few minutes ago. I've been decoding you on and off all day and 13 division is very strong here today! 73 John

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de 26fb635
14/May/2015, 6:05 pm Link to this post Send Email to jobdone   Send PM to jobdone Blog
 
Hot Fusion Profile
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Management

Registered: 03-2008
Location: South West England
Posts: 1389
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Re: ROS


I'm not sure about this ROS lark.
In my opinion it is very wide-band, and the software a bit on the dodgy side as far as privacy is concerned.

This is what I've heard, I've not used it myself, although ROS transmissions on the ham bands are a nuisance.

I prefer Olivia - very robust if you choose the right sub-species and lovely to listen to!

(Puts on armour and prepares for incoming!)

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Andy - FB107
25/Jun/2015, 4:27 pm Link to this post Send Email to Hot Fusion   Send PM to Hot Fusion
 
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Freebander

Registered: 12-2014
Posts: 24
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Re: ROS


To me it seems very similar to olivia, but the privacy could be a problem. It is however the most popular 11M digital mode,rarely is anything else ever heard.

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de 26fb635
10/Jul/2015, 8:37 pm Link to this post Send Email to jobdone   Send PM to jobdone Blog
 
Hot Fusion Profile
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Management

Registered: 03-2008
Location: South West England
Posts: 1389
Karma: 7 (+7/-0)
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Re: ROS


Yes, it is similar to Olivia, but the tones are wide-spaced and don't have the 'soft-start' that Olivia has.

I don't do digital on 11m yet, but I'm sure I heard a bit of PSK31 going on a few months back? That's a useful mode as long as the propagation path isn't so long that phase distortion is introduced.

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Andy - FB107
12/Jul/2015, 8:05 am Link to this post Send Email to Hot Fusion   Send PM to Hot Fusion
 


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