[Ti] Airport Noise ?

[Daniel W Kegan]

Kids home from college on school break, thus household had:
Airport Extreme BaseStation;
G3 iBook, 4 yr old (slower airport card);
G4 Cube (slower airport card);
G4 Aluminum PowerBook (faster, extreme card);
and my Ti 800Mh PowerBook, generally on wired ethernet.

Internet access for others (on airport) was intermitant, not my Ti on wire;
Airport logo in menubar for others would shut/ sideways wipe, then come bac, about 2 sec.

I launched MacStumbler on several Macs, and found
Airport signal strength about 64-69
and Airport Noise about 55-62.

MacStumbler on newer G4 AlPb had Noise zero a few days later,
but the other Macs still register Noise 55-62 or so.
No wireless phones, Microwave not often on, garage doors not often moving,
Airport reports no other (Named) Airport networks around.

Checked MacStumbler at work (older non-extreme Airport BaseStation),
Flat screen iMacs;
Noise zero; my Network plus 2-4 other named networks.

There is a railroad track a half block away, and it installed a
wireless position system about a year ago--haven't yet gotten to
ask its frequency (such curiosity might provoke Patriot worries).
Trains about hourly after rush hour.

Q1. What's the Noise in MacStumbler mean? (Frequency, spectrum, English ?)
Q2. Why AlPb get no Noise when other Macs get Noise?
Q3. What causes menu Airport icon to wipe quasi-restart; how "fix"?

TIA.
Daniel Kegan
<daniel at keganlaw.com>

On Jan 24, 2006, at 8:48 PM, titanium-request at listserver.themacintoshguy.com wrote:
From: Ardeshir Mehta <ardeshir at mac.com>
Subject: Re: [Ti] Airport card is not detecting networks
On 22-Jan-06, at 8:39 AM, White Oak Art wrote:
I have a Powerbook Ti667. For the last 4 years, it has worked  
beautifully. It has the original airport card installed. A week  
ago, it suddenly stopped detecting networks. It shows up and I can  
turn it on and off. The network utility and profiler say it's  
working just fine. However, it refuses to detect a signal. Any thoughts?