Hi Neil,

I think you have significantly  more ERP than that. I would likely never be able to make a CW QSO unless we tried for days, but I think it is possible. You were about like a deep deep Asia station when they use 100W on 160M. I would describe it as a few characters in a row discernible every dozen second mixed with nothing readable, but I don't have good RX antennas yet. It is just quiet here.

I don't have a recorder or rig connected to a computer yet. I have been mostly inactive.

I do have an IC7100 I am getting ready.  It looks like after some capacitor changes it can run 5 or 10 watts after I make a low pass. I posted some stuff on the QRZ LF technical forum. My 7100 needed four capacitors changed to start looking more "normal". Now I know the only remaining problem is the output transformer or feedback transformer or both do not have enough impedance. But it will work if I keep power low.    

Five watts should get me near the legal limit.

73 Tom



 


On 1/9/2023 1:18 PM, 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/ 

My Faith website: http://neilsfaith.webs.com/

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