[600MRG] My TXing experience on 630m
Ed Cole
kl7uw at acsalaska.net
Mon Jan 9 13:49:08 EST 2023
Neil,
Impressive with 1mw!
My 80/40m dipole was pulled down when my 40-foot tower crashed in August
(It held two 7-element 6m yagis).
Time got away from me before snow fell on Oct.26 making lawn unusable
with a man-lift to raise wires. Also did not get ground radial wires lain.
Might get a pulley & haul rope installed at 40-foot, if I can get tower
climbers to raise some VHF & UHF antennas. I still have my 10-inch
diameter loading coil from when I had a 43 by 120 -foot Inv-L. New
antenna will be 40-foot vertical-Tee, with dipoles acting as top-hat
loads. Will be about the same amount of wire as the Inv-L. I estimate
4w EIRP.
73 & HNY, Ed - KL7UW
On 1/9/2023 9:18 AM, Neil Klagge wrote:
> Hi all, from Neil Klagge, w0yse
>
> I have been gratified on the success of my recent transmissions on
> 630m. I never thought I would be able to TX on the band after moving to
> my present location which is an HOA community. Our 'land' is only the
> ground under our condo pad and the inside walls, etc. We have NO yard,
> and there are NO trees available for a stealth wire. I have put up a
> wire over the peak of one edge of our roof. I call it my 'Inverted LV'
> because the wire is fed at ground level, goes up 10 feet to the lower
> edge of the roof. Then, the top wire of 30 feet goes up and over an 18ft
> peak and down the other side.
>
> My loading coil is wound on a one-inch PVC pipe and is about 1 foot long
> with a core of ferrite rods, a suggestion I got from Rik, ON7YD.
>
> So far my WSPR beacon has been decoded in New Mexico by KM5SW at 480
> miles and in Arizona by W7LUX at 405 miles. My CW beacon was heard near
> Atlanta Georgia by Tom, W8JI who has some very long beverages. Tom is
> 1630 miles from my QTH.
>
> The power into the coax is about 5 watts. My estimated EIRP is about 1
> milliwatt, much of that being absorbed by the roof shingles. It seems
> impossible that I should be heard at all.
>
> So, for all those out there with severe limitations, IT IS POSSIBLE to
> TX on 630m. I hope my experience has stirred up some hope and interest
> for this band.
>
> 73, and thanks for the 'bandwidth'
>
>> **
>>> **´¨)
>>> ¸.•´¸.•*´¨) ¸.•*¨)
>>> (¸.•´ (¸.•` Neil *, wØyse, DN41ah, North Ogden, Utah 84414
>
> My ham radio website: http://w0yse.webs.com/ <http://w0yse.webs.com/>
> <http://wg2xsv.webs.com>
> My Faith website: http://neilsfaith.webs.com/ <http://neilsfaith.webs.com/>
>
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