I bet if you cap the ends it will quit whistling. I have the same problem on one of my towers. I have a 1.5" dia pipe as a standoff and it will make sounds when the wind blows. I was up there on a windy day once and I could put my hand over the top of the pipe and it would quit whistling.
LaRoy McCann Data Technology Mike wrote: > A while back, the amateur community talked me into putting a ham antenna on > my highest tower. It is a dual band 2 meter 70 cm DC grounded unit (as per > my specs). I built a mount which offsets the stick a couple feet from the > tower. A piece of 1 inch PVC through which I passed a piece of poly rope is > attached with stainless hose clamps near the top of the stick to lasso the > 17 foot stick to keep it from swaying. > > > > A couple times this winter when I was outside, I heard this eerie melodic 4 > part tone. It sounded like someone blowing across Pan flutes. Now that > spring has sprung, every time the wind blows, there is this tune again. > While I questioned my sanity this winter, I do think it is coming from the > amateur antenna. > > > > Although the sound is somewhat melodic and not objectionable, I fear this > summer with windows open in the house, it will keep me up at night. I have > this fear it will be like when I first put that tower up and put a 10 foot > by 20 foot flag at the top to raise awareness in the community. It snapped > so loud it would wake you from a sound sleep. One of my best nights was > when that flag finally came down. > > > > Since everything was done per my requests, and I want to maintain my stead > with the amateur community, how does one keep that stick from making those > noises? I am hoping someone here has encountered something similar and has > a resolve. > > > > Regards, > > > > Mike > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
