[BC] cell phone hash

[Kirk Harnack]

Scott Cason wrote:
>>>Should I start asking interviewees to switch their phones completely
> 
> off while I record, or am I just nuts.
> 
> I can tell when my Nextel phone is about to ring for if I put the phone in
> the cupholder next to the XM receiver, I can hear three short bursts of
> "hash" followed by a long one, then the phone rings.  I can also hear it
> when it's checking in with a new cell site.  After I figured out it was the
> phone, I started keeping it further away from the dashboard.

And we wonder why we're asked to switch our cell phones OFF on 
commercial flights.  This kind of hash can really affect reception of 
Amplitude Modulated ILS and VOR signals, no?

Kirk Harnack