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Gentreau

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Posts posted by Gentreau

  1. ......Seriously though, I'm a bit wary of just sending in emails/letters of support to the Council involved. There is the danger of it looking like a fake Internet campaign if Council suddenly get emails from half way across the country (or the world in Gentreau's case) in support of the airfield. If you do, then talk their language. Remember, if you don't live in the shire you can't vote them out at the next election. Write about holidays, tourist dollars or potential business investment, all of the positive things that an airport can do for a Council. In this case though, it seems the Council are not the ones that need convincing.

    For info, they have no way of knowing where I live, but as I don't live in the shire I used the following phrase.

     

    "As a visiting pilot, I would consider it a great loss to your area should the airfield be forced to close, and I therefore commend you to resist the actions of this group."

     

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  2. Zibi, I have to say your comments amaze me. Are you really a pilot?

     

    I don't live on the other side of the country, I live on the other side of the world, yet I am prepared to support Jaspers Brush for exactly the reason quoted by Motz above. "Where will we fly when there are no airfields left" I personally don't want to have to land at a strip which is 10 miles from civilization, just because my engine noise might p*ss off someone. One day I will be in Australia and I will be sure to visit Jaspers Brush, assuming it's still open. If it's not then the local community will not be seeing any of my cash as I would have no other reason to go there.

     

    OK, if you're unsure about the particular issues, then stay out of it, rather than disrupt this thread with posts which sound like you have sympathy with the people attacking this airstrip. You must feel some conviction in that direction otherwise why would you go to the effort of posting ?

     

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  3. ....Just on the proxy issue, it was discussed and agreed that a vote of hands would be taken first and then proxies would be used if needed (ie the vote was close enough to warrant it). .....

    Well that makes sense, if you're sitting on a load of proxies, the legality of which might be challenged if you excercised them, you would of course avoid using them if at all possible.....

     

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  4. So the treasurer demonstrates that he doesn't understand his job, the president is suspected of speaking untruths and does not produce the legal advice to support his position and yet not a single motion of no confidence ??

     

    What do you feel the meeting actually achieved ?

     

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  5. ........from previous experience I thought I might just give the new solenoid a light tap to free anything that may be stuck internally and it worked the start system was fine.........

    That would bother me on a brand-new solenoid. Doesn't sound like terribly good quality control by whoever made it.

     

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  6. .....The Rotax maintenance manual clearly states "Do not crank the engine over with the spark-plugs removed, and with the ign switches in the on position"............................................

    I've just searched the 912 Installation, Operators and Maintenence manuals (Ed3, rev0) , and there's no mention of not turning the engine over with plugs removed that I can find.

     

    Where exactly have you seen this this warning Maj ?

     

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  7. ........I'm still trying to figure out why Optus has coverage in Birdsville and Telstra does'nt.

    That could well depend upon their licence conditions and the economics. Networks don't provide coverage for fun. It's there either because it's economically viable or it's a licence requirement.

     

     

  8. I have had 4 bars of mobile reception with a 4.5db Multi Band antenna plugged into the back of my Phone, pretty much every where in Australia including the most remote deserts as soon as I clear 4500'. Western Queensland is normally about 3000', WA tends to be a little better thanks to the mines. 640kb/s @ 450k east of Alice - Alice tower.

    You may be able to recieve the network, but is it useable ?

     

    At 4500' you could be receiving a base station which is too far away to use, even if you have 4 bars.

     

    GSM is a digital system and is limited to 35km in normal circumstances, or 70km if the extended cell feature is activated.

     

     

  9. Just to clarify what a mobile phone and the mobile network can and can't do (they are my business).

     

    Mobiles in Oz work at 900MHz and the coverage is non continuous especially in the bush.

     

    Even when you have coverage, the only normal way that the network operator can locate you, is by identifying the base station that your mobile is talking to.

     

    Consider that in rural areas that base station could be up to 70km away (extended cell feature in GSM) and you can see the low accuracy of any 'fix'.

     

    If you are fortunate enough to be in a location where you can receive more than one base station, there is special software that the operator can use to try to triangulate you, however that is not running constantly and a trace has to be requested (in some countries by court order) set up and run. That is mostly used in the cases of kidnapping where they are trying to identify the location while talking to the kidnappers. Even when that system is used, the accuracy is highly variable as it relies on estimating distances, not directions, and those distances are the actual radio path from the mobile to the base station. That path may be a reflection off of a building or the side of a valley and not the straight line distance. I have worked on a software solution which attempted to triangulate users in real time and we found it was extraordinarily difficult and not nearly accurate enough to be useful.

     

    As for the idea that the SAR plane could find your mobile, that would require that they carry a unit which simulates a GSM network and causes your mobile to try to register with the network. There are multiple reasons why that may or may not work.

     

    The only accurate way to locate yourself with a modern mobile is by using the phone's GPS. There are applications, Apples phone finder would be an example, that use the on board GPS to locate the device. The thing about that is that you have to set it up beforehand as you must legally give your explicit permission for the network to trace you. I don't know what particular applications are available as I haven't taken the time to go looking, but the only ones which have a chance of giving your real position are the GPS ones.

     

    Hope that helps.

     

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