My understanding is that those slopers (kinda like the AlphaDelta
DX-A and DX-B sloper antennas) need to be hung off a high tower,
where the tower and, maybe, a yagi beam comprises a capacity hat,
and work even better with a few radials and a good ground. Otherwise,
it is just an odd sort of inverted V dipole and if it is trapped, you
off with a broadband doublet fed with window or ladder line.
Just MY take. (My AlphaDelta DX-B sloper sucks without a tower, yagi
capacity hat, and good ground system.) A service tech at TenTec
company agrees as he had one and says they suck if not properly
installed as described above. ARRL Antenna Handbook has a nice
short write up on them that covers the essentials well.
================ K8JHR ==============
> In the ARRL Antenna Book, 17th edition, the antenna you are interested
is explained on pages 4-16 to 4-18. It is called the K0EOU Broadband
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