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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 . http://rosmodem.wordpress.com/
--- de 26fb635
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30/Dec/2014, 11:35 am
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yamanx1
Head Honcho
Registered: 09-2007
Location: In a world of my own
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Re: ROS
Can you explain how this works and how to set up a radio to send and receive ROS
---
By all means think yourself big, but never think others small.... R.F.Scott
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30/Dec/2014, 1:36 pm
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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!
--- de 26fb635
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30/Dec/2014, 6:58 pm
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13FB044
New Kid On The Block
Registered: 07-2014
Location: Saarland/Germany
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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 !
I really like it!
Try it and You will be happy how good and easy
it works !!
73 de 13FB044
--- RIG: AE485S/Grant II and some Helpfull Things !
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23/Jan/2015, 8:36 pm
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Freebander
Registered: 12-2014
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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.
--- de 26fb635
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11/May/2015, 4:22 pm
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Spac3Monk3y
Freebander
Registered: 06-2014
Location: No Place Like 127.0.0.1
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Re: ROS
Read me .pdf
---
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12/May/2015, 12:44 am
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Freebander
Registered: 12-2014
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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
--- de 26fb635
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14/May/2015, 6:05 pm
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Hot Fusion
Management
Registered: 03-2008
Location: South West England
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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!)
--- Andy - FB107
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25/Jun/2015, 4:27 pm
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Freebander
Registered: 12-2014
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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.
--- de 26fb635
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10/Jul/2015, 8:37 pm
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Hot Fusion
Management
Registered: 03-2008
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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.
--- Andy - FB107
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12/Jul/2015, 8:05 am
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