|
Now there's good selection of parasitic
air-metal , take it , that's a 90 deg L
? , a lot would depend on how sharp
the tune 'dip' is ? as to damping , wont mention
missing in this sequence P_R
unless we get computational salvo based on soil=ph (cleverly
omitted)
what is missing , is the earth side ? what go's up
must come down as the song says ,
Could be 5 mW as an erp , BPF
something like 1 :2000 1:2500
seems to sort of fit ?
Who is round a similar range to you
? could set up a test , set up Tx
session ask them to sent Op with 10
watts , same power as your self 100% and check the
decode s/n from other stations , that would
give a reasonable comparison , especially in the
day ?
73 -G..
Sent: Saturday, March 16, 2013 3:47 PM
Subject: Re: LF: Overnight on 474KHz WSPR
Hi G
Decided I would go measure the ant, rather than quote
what it was going to be. (Would I lie to you baby).
10W RF
Ant.
Marconi inv. L. Vertical section 3.5m - Top section single wire 7m
long.
Absorption Factors:-
Metal core clothes line 400mm from Loading
coil, 400mm from vertical wire.
9m steel mast with VHF antennas 2.5m from
feed point.
6m ally mast with 4m antenna & TV ant. 2.2m from feed
point
House and wiring 2.5m from feed point
40m Doublet and feeder 2.2m
from feed point
8x6 aluminium greenhouse under Top Wire far end
Top Wire
crosses 40m Doublet wire 200mm from its end 100mm vertical clearance.
Top
Wire ends 100mm from 6.3m steel mast
6.3 steel mast emerges from top of plum
tree 5m tall.
Holly tree 5.5m tall 5m from end of Top Wire
Active antennas
horizontally 5m from Top Wire
7/8 28MHz vertical 7m horizontal from Top
Wire
Surrounded by Houses with overhead mains electricity feeds on 3
sides.
Can I sat it was shoe horned in.
If you can work out a loss
figure I would appreciate it.
73 Ed
On 16/03/2013 11:18, Graham
wrote:
What is the feed power //Ae lay
out Ed ?
G..
Sent: Saturday, March 16, 2013 11:45 AM
Subject: Re: LF: Overnight on 474KHz WSPR
On closer examination, the night before produced an extra
20Km.
2013-03-15 03:52 G3ZJO
0.475638 -27
0 IO92ng
+7 0.005 OH6JKN
KP22xk 1944
1208
My garden fence gets further away,
don't ever be foolish enough to decry small antennas and QRP operation. Don't
decry give it a try.
73 Eddie G3ZJO
On 16/03/2013 09:57, g3zjo
wrote:
LF /
MF
After complaining about the poor conditions last night, the
overnight results were better.
I had several reports form PA1GSJ who
has not previously decoded me. Also a new best for me, getting near to that
2000Km mark.
2013-03-16 01:22 G3ZJO
0.475629 -27
0 IO92ng
+7 0.005
OH5YW KP30ju
1924 1196
73
Eddie G3ZJO
|
|
