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UI-View in 'remote' locations.
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Paul-M3LOM View Drop Down
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Posts: 64 		Post Options Post Options   Quote Paul-M3LOM Quote  Post ReplyReply Direct Link To This Post Topic: UI-View in 'remote' locations.
    Posted: 19 July 2010 at 20:38
When I mean remote I mean inside a building and away (but not too far from the radio and antenna).
 
Sitting in a building and wishing not to run cables into the area from outside I thought would it be possible to run a wifi link from the mast mounted car setup to the hall and viewed on a laptop.
 
I essense this requires your radio for aprs based in the car (with mast if required), a Tinytrak 4 (or similar), a netbook running UIView, a simple router, an external wifi antenna and a second laptop/netbook to run in the hall, also running uiview.
 
If anyone else is already doing this or perhaps can simplify the above (by removing the router maybe?) then please post.
 
I can post more info if required but I am very new to aprs and uiview so I am merely dabbling at the moment.
 
Whether the RAYNET messenger prog will work with this is another question. The UIView message system appears to.
 
Regards
 
Paul
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Posts: 603 		Post Options Post Options   Quote G1HUL Quote  Post ReplyReply Direct Link To This Post Posted: 20 July 2010 at 11:18
All you need is the two laptops connected to the WiFi boxes, no router required.

I've done exactly this (using both D-Star DD and WiFi on different occasions) and have both run UI-View on the machine inside the building, and used a remote desktop session to just control the machine out in the car.

Works very well and is no different from running it on a LAN at home.
Jim, G1HUL
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Paul-M3LOM View Drop Down
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Posts: 64 		Post Options Post Options   Quote Paul-M3LOM Quote  Post ReplyReply Direct Link To This Post Posted: 20 July 2010 at 18:07

mmm, interesting. I assume you are not relying upon the internal wifi cards but using usb and external antennas (yagi?) for extended range? I used the router to dish out the IP addresses, how did you get the two to talk without the router I wonder.

I also was originaly thinking of the remote desktop (VNC?) route but if I am just running UIView, just the raw data is shoved around the network and not the whole screen dump. OK for my purposes at the moment (and if using more than one PC), but not so good if you want to run other things in the car.
 
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Posts: 603 		Post Options Post Options   Quote G1HUL Quote  Post ReplyReply Direct Link To This Post Posted: 20 July 2010 at 18:20
Used a couple of external omni-directional units in bridge mode, which just pass the traffic given. Fixed IP on the machines at either end and away it went!

When we used a remote-desktop, I used MS remote desktop (RDP), as you don't get the key-press/mouse latency that occurs with VNC or any other of the desktop-grab systems (pcanywhere etc.).

Reason for having to use RDP in one instance was a problem with Airmail not being able to digi through more than one VIA. Station was in a building with no possibility of external aerials, so remote desktop'd to the car, with the system there only having to do one digi hop (instead of two if it had been inside the building). Not pretty, but I had 24 hours to come up with a solution that was a show-stopper on a major user service exercise...!
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Posts: 64 		Post Options Post Options   Quote Paul-M3LOM Quote  Post ReplyReply Direct Link To This Post Posted: 21 July 2010 at 05:55
Out of interest did you try UIview in its server mode at all? Not tried RDP, just vnc and although it worked the screen size had to be right and the screen/mouse 'lag' was a bit slow but useable.
 
Not familar with airmail.
 
 
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Posts: 603 		Post Options Post Options   Quote G1HUL Quote  Post ReplyReply Direct Link To This Post Posted: 21 July 2010 at 08:56
I've played with the server mode a while back, found it rather basic and not suitable for interactive viewing at the other end (ok, not perhaps what it was designed for!).

When running APRS on a network I use AGWPE for the data connection on a "server" machine, so you can then connect UI-View (or anything else, such as packet monitoring or beacon status add-ons) to the server over the LAN. Works stunningly well, most I've used is 7 clients but the capacity in this configuration is only limited by AGWPE's processing, into the 100's? 1000's?
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Posts: 6 		Post Options Post Options   Quote 2E0EFA Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2010 at 13:10
As another thought for linking a remote UI-View. How about putting your radio in the car on talkthrough. Have one channel on 144.800MHz (digipeater frequency) and the other on another frequency which can talk to a handheld (for example) in the building if necessary. This handheld is then linked to the computer.
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Posts: 11 		Post Options Post Options   Quote gm4tnp Quote  Post ReplyReply Direct Link To This Post Posted: 01 August 2010 at 22:46
Pau;
I have used Bluetooth for this purpose. Using the Kenwood TMD-700.
Two of these will perform the task.
Regards
Jim GM4TNP
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Paul-M3LOM View Drop Down
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Posts: 64 		Post Options Post Options   Quote Paul-M3LOM Quote  Post ReplyReply Direct Link To This Post Posted: 02 August 2010 at 18:18
Originally posted by 2E0EFA

As another thought for linking a remote UI-View. How about putting your radio in the car on talkthrough. Have one channel on 144.800MHz (digipeater frequency) and the other on another frequency which can talk to a handheld (for example) in the building if necessary. This handheld is then linked to the computer.
 
Yes, an option if a longer range is required but ties up another TT unit. I am usually already using one for the voice traffic. If one can get the system running over wifi freqs it makes the task a bit simpler.
 
I wonder if others have used APRS on the voice freq and used tones to filter things out I wonder?
 
Thanks
 
Paul
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Posts: 64 		Post Options Post Options   Quote Paul-M3LOM Quote  Post ReplyReply Direct Link To This Post Posted: 02 August 2010 at 18:23
Originally posted by gm4tnp

Pau;
I have used Bluetooth for this purpose. Using the Kenwood TMD-700.
Two of these will perform the task.
Regards
Jim GM4TNP
Fife RAYNET
Hadn't thought of that one but yet another route to get to the task in hand. I quick look at the CPC site says they are discontinued but I suspect still available elsewhere. An alternative appears not to have an extrernal aerial connection which I would have thought essential to tweek performance. Out of interest what freq is bluetooth, it's not wifi band is it??
 
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Paul
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