wcurtis(at)nerv10.com
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 Posted: Tue Jul 31, 2007 12:56 pm Post subject: Zaon Flight Systems XRX Portable Collision Avoidance System |
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The so called "panel mount" Zaon unit will still be technically a "portable" system in that the unit can be placed "under the seat" and the antennas can be placed outside or on the dash. Antennas do not require any special approval (other than logbook) for installation, even if it is attached to a "portable device." Being a "portable" device, approvals will not be required and thus cost can remain low. I thought they said that this new "portable" system would be only a few (2) hundred more than the current system. It will not have it's own display however. It is designed to be connected to another display such as the 496/430/etc.
As for ADS-B, know then that the FAA has announced two mediums for ADS-B support in the US. They are 1090 MHz ES and UAT at 978 MHz. Initially it was thought that air carriers would utilize 1090 MHz ES (since they all already have Mode S) and GA would utilize UAT. UAT is thought to be cheaper and provide greater data transfer rates but from Garmin's announcement below, 1090MHz ES may become the de facto standard even for GA.
Garmin has announced support for 1090 MHz ES frequency support on forthcoming GTX-330 transponders. They will be available at the end of 4Q '07. http://www8.garmin.com/pressroom/aviation/072407.html
With the updated 1090 MHz ES transponder, you will have the capability to send and receive ADS-B messages, but you will still need an additional box to process the send/receive data. As far as I know, no such box currently exist.
The Garmin GDL 90 (https://buy.garmin.com/shop/shop.do?cID 1&pID=6436) supports UAT but may be overkill for most as it includes a built in WAAS GPS receiver. Hopefully once the Garmin 1090 ES GTX-330 transponder is available, someone will come out with an inexpensive box that would interface with your existing GPS navigator and the 1090 MHz ES GTX-330 transponder to provide ADS-B functionality.
I know, clear as mud but hopefully by this time next year it really will be clear as products begin to appear.
William
http://wcurtis.nerv10.com/
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