[OZAPRS] Computerless iGate

[David and Justine Olsen]

Steve

Thanks for that info. That is precisely the sort of thing I was after.  
I had assumed it would be more reliable but note your comments. Mine  
will be used at home with a wireless router.

David

On 27/02/2010, at 7:30 PM, Steve Page wrote:

> Hello David,
>
> I am pretty new to APRS, but  before I jumped out to acquire the  
> latest in Ham Radio APRS equipment, I had a bit of a read around a  
> few websites and other places' like this mailing list. One  thing  
> that appeared to me was computer reliability. After speaking to  
> another ham running a similar set up described below but for the  
> reception of a different radio service, the computerless system  
> (below) was put together.
>
> I have been experimenting with this computerless APRS Igate(?) idea  
> for some time now and I'm not convinced it's a 100 percent reliable  
> system either. (requires more experimenting)  It seemed to work  
> flawlessly at home when I'm accessing the internet through my LAN,  
> but when I connected my TCP/IP computerless APRS system to an 8 port  
> switch and started sharing the switch, wireless router and modem  
> with another computerless system using UDP in our repeater hut, I  
> had a few problems.
>
> Other problems:
> 1) The additional equipment, the wirelses router and USB moden were  
> required at our little hut on the hill due to no access to the  
> internet. (if possible, use Optus or another reseller rather then  
> Telstra, it's a lot cheaper!)
> 2) APRS traffic coming back from Perth or to where ever the  
> computerless system is connected to.  In my case, I'm a 1000 miles  
> north of Perth and we would receive and RF transmit the packets  
> coming back from Perth. I never did try to decode what was  
> occasionally being sent. It really wasn't a problem, but possibly  
> more of a side effect of being piggybacked off an Igate(?) and not a  
> server???
> 3) Getting connected. There is no feature or function so to speak,  
> to inject a callsign/password with this computerless system.. So, a  
> very nice and clever person in Perth has opened a port for me and  
> some how  forces a password for me when my Serial to IP converter  
> connects while we in the North West experiment with a computerless  
> system. A possible problem, although I have not experienced it, if  
> this remote Igate(?) computer goes "off the air", my computerless  
> system is off the air. Hence my question on the mailing list a few  
> days ago in regards to UDP server port 1315. (more experimenting :)
>
> The basic working computerless APRS system in bold:
> 2 meter radio - Tiny Tracker 4 - BF430 serial to IP converter -  
> [NetComm 3G wireless router* - USB modem*]   *  =  not required if  
> you have internet access at your repeater site or home.
>
> (The computerless system is currently off the air for a few days  
> while we shift some equipment around at our hut. It's so stinking  
> hot an humid up here that things tend to take a lot of time to get  
> done))
>
> 73's Steve - VK6HV
> (Yes, my Eee PC is free for me to use!!!)
>
>
>
>
> David and Justine Olsen wrote:
>>
>> Has anyone setup an igate without a computer? This is my next goal.
>> Can anyone direct me to any web references or offer a brief outline?
>>
>> David
>> VK4MDX
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