[SECC] AA4LR - QRV - Six bands

[Dan/W4NTI]

Good show Bill.

I managed to finally get my tower up, with a Hazer, and my TA-33SR is doing 
excellent.  Now I need to get my Voyager GAP DX up for the low bands.  But, 
tough getting a crew up.  We shall see.

Dan/W4NTI

----- Original Message ----- 
From: "Bill Coleman" <aa4lr at arrl.net>
To: "secc" <secc at contesting.com>
Sent: Sunday, October 23, 2005 4:09 PM
Subject: [SECC] AA4LR - QRV - Six bands


>
> Greg, K4NO sent a message back in April asking what projects and
> station improvements everyone had planned for the summer.
>
> I please to say that I've gotten most of my listed improvements done.
> Six bands from one 15m tower:
>
> 10-15-20m - A3S at 15m.
>
> 40m - A743 rotatable dipole kit on A3S. While the bandwidth is
> limited, it works much better than the 125 doublet. And a bit better
> than the half-sloper.
>
> 80m - shunt feed on 15m tower. I'm using an omega match, but almost
> need no shunt capacitance, and can't quite get down to 1:1 since the
> A743 was added. May need to experiment more here.
>
> 160m - shunt feed on 15m tower. Using an L-network to match -- it's
> two T-200-2 toroids stacked, wound with about 46 turns of wire, and
> tapped every two turns. Using about 36 turns, this is about 40uH. Cap
> is 600-750 pf using a fixed and variable cap. Matches very nicely,
> with about 35 kHz 2:1 VSWR bandwidth.
>
> I have a relay to switch between the two matching networks. Already
> have 25 60 foot radials down, and it works well on 80m. Looking to
> add about 6 100 foot radials where I have the room to help out on 160m.
>
> So, I'm ready for SS, and the ARRL 160m.
>
> Built a 30m/17m trap dipole. Worked OK at 15 feet, but resonance went
> odd when I got it on the tower. May have a bad connection somewhere.
> More things to troubleshoot.
>
> How's everyone else fairing on their projects?
>
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
> Quote: "Not within a thousand years will man ever fly!"
>             -- Wilbur Wright, 1901
>
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