[UK-CONTEST] Telnet

[Cooper, Stewart]

Steve,
I have a little no-frills page generated by my cluster (GB7DXN) which is
designed for use with my SmartPhone. It will do what you want. I use it with
an Orange SPV E100. Go to http://korma.odl.co.uk/dx/dx.asp. I will refresh
every minute. If it fails to do so (as it sometimes does) just reload the
page manually. (And yes, some of my servers are named after curries!)
Cheers,
Stewart
GM4AFF


-----Original Message-----
From: Steve Bunting [mailto:stephen.bunting at kcl.ac.uk]
Sent: 13 December 2003 07:43
To: uk-contest at contesting.com
Subject: [UK-CONTEST] Telnet


Hi again everyone,

I have a brief question for you all from a computing innocent.....

I am looking into telnet cluster access to using a GPRS mobile
phone. The idea is to get reliable cluster access from a remote contest
location, RF links have proved to be nothing but trouble. I am trying to
assess the cost of keeping the link live for a 24hour contest. As you
probably know the phone companies charge per MB transferred rather than
unit time, with Orange it is 2.55UKP plus VAT per MB. 

Now my questions: how many bytes constitute one cluster spot? A more
difficult question is how many spots are there per contest weekend? I am
guessing at a mean of 3 spots per minute, i.e. 180 per hour and
therefore 3420 per 24 hours. Lets round that up to a ballpark 5000. Is
that reasonable for a FD? 

I don't want to commit to a route that will cost a fortune to keep
alive, but I am guessing that a single spot is pretty small. If I am
feeling very tight, I can probably reduce traffic (and hence costs) by
setting filters at the cluster.

Can anyone advise or add experiences to this?

Thanks as always.

73
Steve
M0BPQ


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