Transponder article updated with Trig info

In response to the questions about batteries and couple outdated remarks
Paul Remde caught, there is a new update "B" available from:

* http://tinyurl.com/ylbu7a9

*Besides the updates, it now uses vertical lines to the left of any
paragraph with significant changes to make it easier to spot them.

It will also be on the soaringsafety.org website as soon as they can
update it (might be a few days)

Eric Greenwell wrote:
This article, originally in Soaring (Feb 2002) was updated recently to
include information on the Trig TT21 transponder.
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Eric Greenwell - Washington State, USA (netto to net to email me)

- "Transponders in Sailplanes 2010B" also ADS-B, PCAS, Flarm *http://tinyurl.com/ylbu7a9*

- "A Guide to Self-launching Sailplane Operation Mar/2004" Much of what you need to know tinyurl.com/yfs7tnz