Thanks to everybody who responded!  It never ceases to amaze me at
the quality of this group as a resource!
Turns out that Art Boyars, K3KU, has a really simple circuit in
the Hints and Kinks column of April 1993 QST magazine on pages
71 and 72.
73,
Bob K2PH
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| Bob Schreibmaier       | UUCP:     att!mtdcr!bob     | Free the |
| AT&T Bell Laboratories | INTERNET: bob@mtdcr.att.com |   Intel  |
| Middletown, NJ         | ICBM:     40o21'N 75o08'W   |    486   |
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