Makes sense. Just like when you blow over a bottle (root beer, beer, etc - the glass ones).
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 “Success is not final, failure is not fatal: it is the courage to continue that counts.” --- Winston Churchill On Mon, Apr 5, 2010 at 12:03 PM, Data Technology <w...@dtisp.com> wrote: > 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: wireless@wispa.org > > > > 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: wireless@wispa.org > > 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: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
