Cringley's bridge

I'm trying to get a remote AP's signal into my laptop. I've addressed 
different possibilities in various threads in this list.

I am confused about something (well, actually about many things, 
but...). Bob Cringley made wireless fame by describing in his column 
how he accomplished what I am attempting by using two AirPort base 
stations and a couple of home-built hi-gain antennas.

Regardless what you think about the extent of BC's claims, I am 
confused about the basic premise. I thought two base stations won't 
talk to each other. I thought that if you want to make a link 
(bridge) between two points, you have two choices:

  - use a hi-gain antenna on a base station and a hi-gain antenna 
cabled directly to the remote computer's wireless card

  - use two wireless bridge/routers with hi-gain antennas

Could someone help me at least get the premise straight? Can two base 
stations be used to connect remote segments of a network? I presume 
that Cringley had some level of success with this configuration.

I know that buying and implementing bridges will do the job, but I 
want to know if using two *base stations* (which I actually own) will 
work.

What about BC's bridge?

Thanks,
Dave
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