TomTom wrote:
> In news:gasu7b$1gv$1@
aioe.org,
> atec77
hotmail.com> typed:>> TomTom wrote:
>>>> In article <48d1016e$0$31805$afc38c87@
news.optusnet.com.au>,
>>>> B J Foster
yahoo.com> wrote:
>>>>>>>>> Paul Saccani wrote:
>>>>>> On Tue, 16 Sep 2008 08:38:45 +1000, B J Foster
>>>>>>
yahoo.com> wrote:
>>>>>>>>>>>>> Mobile phones use UHF frequencies and do *not* interfere with
>>>>>>> aircraft navigation systems. The issue is that whilst the
>>>>>>> interference is infinitesmally small it cannot be entirely
>>>>>>> dismissed - so the rule remains. In practice it is ridiculous.
>>>>>>
>>>>>> I've actually seen mobile phones interfere with VOR, the needle
>>>>>> swinging from side to side until they are turned off.
>>>>>
>>>>> I find this very hard to believe.
>>>>>
>>>>> The VOR band is 108MHz to 118Mhz (VHF). The lowest mobile band
>>>>> (UHF) is 900Mhz. If the VOR system has such a poor filter then it
>>>>> is going to be affected by *every* *other* system between VOR and
>>>>> GSM.
>>>>
>>>> I've also seen it, albeit with a 1970's era VOR receiver in an even
>>>> older Arrow, where the OBS needle deflected hard right (IIRC) as
>>>> soon as my passenger used his phone on the ground as we were
>>>> taxiing to the ramp. As someone with RF design experience, I don't
>>>> find it all that hard to believe, especially given expectations
>>>> when the avionics in question were originally designed...
>>>>
>>>> Hamish
>>>
>>> The law apparently making it a serious criminal offence to use a
>>> mobile phone in flight because it endangers the plane, is not based
>>> on 1970's era gear, is it?
>>>
>>>
>> Do you have a cite ?
>
> See the start of this thread in aus.aviation. The media report
> indicated that the police were going to use the provision about
> endangering the plane, not disobeying flight crew.
if a relatively new plane then it could be shot down in flames
although the older stuff can be effected .. going to cost though
>
>> or maybe the offense is disobey flight crew ?
>
> Apparently not, according to the media report in the thread.
