Mine is set mid-band. The Swr gets fairly high at the bottom 25kc. Fine for a
typical tube amp. Marginal for an Alpha87 or similar. It still performs fine
there. I’ve never tried stacking a pair.
The beefed up 402CD is a strong antenna. No truss, little sag, and it’s only
been rebuilt once in 25 years for the coils getting naked. Of course the Moxon
design is better but I’d look carefully for interaction on 15.
73, Ty K3MM
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On Wednesday, November 4, 2020, Bill via TowerTalk <towertalk@contesting.com>
wrote:
I've heard good and bad about this antenna. Has anyone used these in a 2/2
stack? Has anyone mounted this antenna above or below a tribander with about
10 feet of spacing above or below? If so, was the SWR changed on either the
tribander (especially 15 meters) or the XM-240? If constructed with the mid
=band setting (7125kHz) what was the SWR across the band? Any thoughts on the
antenna?
73 Bill K4XS
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