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ZL2BSJ > TECHNI 28.08.03 13:07l 45 Lines 1509 Bytes #999 (0) @ WW
BID : 000007ZL2BSJ
Read: GUEST OE7FMI
Subj: Re^2: RF-LAN
Path: DB0ZKA<DB0SIP<OE9XPI<DB0CZ<DB0GV<DB0SIF<DB0EA<DB0RES<ON0AR<7M3TJZ<
ZL2TZE<GB7YFS<GB7MAX<ZL2BAU<ZL2WA
Sent: 030827/1030Z @:ZL2WA.#60.NZL.OC #:23386 [NZ] FBB7.00g25 $:000007ZL2BSJ
From: ZL2BSJ@ZL2WA.#60.NZL.OC
To : TECHNI@WW
>>> LinPac 0.17pre3 : Message sent by ZL2BSJ : Date 08/26/03 Time 21:57 <<<
> > From memory I think the lower 8 or 9 channels of the class licence
channels
> > are in the amateur band. This means we will need to prevent other users
from
> > using our system. I think we can do this using the 44.x.x.x addresses.
> > Is this so ?
44-net IP addresses can easily be pirated....
I guess, as any other LAN card, the 802.11 devices have a unique
MAC hardware address.
Why not use this as the basis for access control? Radio hams register
their MAC address with the Gateway sysop. The gate will simply ignore
non-ham users.
> Licenced system, such as our normal AX25 stuff, yes ID's required.
> Naturally this can be acheived via Login's
That's authentication...a different subject.
An easy way to ID your station would be to transmit a UDP frame with
the clear-text callsign in it it, say, every 10 minutes.
> Remember, it lies outside the AR legal issues.
Only if you you use the low EIRP antennas that Joe Public is allowed
to use.... 802.11 is designed for very short range. As hams, we would
want to use high power and directional antennas. The moment we do that,
the usual amateur radio restrictions apply.
As an aside, here in ZL, the satellite users are up in arms over the
prospect of us packeteers running amok... on the AO40 downlink... with
802.11 spread spectrum data... and booster amps made from microwave
oven parts :-)
Wilbert, ZL2BSJ
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