Shielding issues with Dog Collar?

[James Russell]

Really easy to shield, aluminum foil on the bulk plate or bulk plates between the DC and the altimeters. You also want to make sure all wires are twisted to try to prevent any wires from becoming an antenna. I saw someone have the same problem, moved wires around and no more problem. It is hard to believe just managing your wires and keeping them neat and organized and preventing wires from becoming antennas can help prevent this from happening.

[edwardModerator]

When I flew I had everything shielded, and wrapped the ejection charge wires in aluminum foil. I would do this before you drop the altimeter – backups are good to have.

Edward

[Warren B. MusselmanModerator]

One thing I’ve done in almost all my dual altimeter birds is to build a common power bus (usually two or more 9V batteries in parallel) and to tie the grounds from both altimeters together. I don’t use a common power switch, but all electronics shares the same ground and Vcc.

I wonder whether using shielded twisted pair wire would be a good thing on the e-matches with the shield bonded to the common ground.

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