I live in attached condos (common wall). The vertical rain gutter is 26ft tall, ground terminating into a plastic pipe (common drain). Standard install with hot lead laying on top of some ivy. Noise is the problem. It is S9 versus S2, or less, for an attic dipole (20/40 meters). Rig is a 7300.
BUT signals mostly are stronger than the attic dipole. Using the RF Gain helps a lot.
Last night I was playing radio at about 2am and the noise totally disappeared. The next day it had returned. I can only guess a neighbor turned off their LED lights.
Bottom line, despite the noise the signals are about 40% stronger than the attic dipole and in many cases are very readable. Noise reduction and reduced RF gain also help. So, it is a keeper for me. A 30-minute listen at 2am had DX and the West Coast on a few bands with S2 Noise Level.
N3HKN
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HF UHF HOA Buster Antenna$250.00Rated 4.97 out of 5 based on 62 customer ratings