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They all very good...so i read, i have not used them ...it depends what you want/need which is best for you the i max has a very very wide bandwidth and i believe it handels a good bit of power, heard of folk putting more than 1kw.. The SPT500 will handle the most power the gain master the...

yes its getting technical.......................i may just go back to plan A and get a V4K

thats very useful.......i think this should make the sticky list Interesting to note at first look it seems it not to make to much difference what coaxe is used as 5 turns of RG 58 is very close to 5 turns of RG213 both on a 4.24 inch air former

i find this ..think it may be useful so posted it Any comments if the choke was only going to be used on 11 meters .. length of coax etc http://www.hamuniverse.com/balun.html link added from Northern35s post http://www.karinya.net/g3txq/chokes/

model number 3 with isolated mast looks very good with 5.9 dbi of gain and a 9 degrees toa but it all goes to pot with model 4 when the feedline is added .... i dont know if a choke will help and get it back to model 3 i just check the gain of the i10k and its 3.6dbi but i dont know the...

Reading page 4 again although he models at 45 degrees but hes say the gain increases until approx 20 degrees when its starts to fall of, so maybe 25 degrees is optermon ....id be interested if you did a model with radials at 25 degrees

Back to the i10k with sloping radials i find this A comparison of 10 meter verticals using modeling it seams optimum angel is 20 degrees for the radials What's he mean on page 5 "dual 5/8 collinear"......is a collinear when you have sort of 2 vertical antenna in phase ?????

will a choke in the feed line stop that?

i see what you are saying Marconi, now that you have pointed it out....... so what will happen if the antenna was insulated from the mast

so let me get this right... are we saying a i-10k with sloping 5/8 radials has 1.3db more gain than i stranded i-10k

My condoms fit on a 4x2 easy

i guess a salt mash will be best I think i have good ground as its flat, it was marsh land before it was all drained maybe 75 to 200 years ago, the 7 acer of land i am on is heavy clay with rich top soil laid to grass and not very well drained (read need Wellington in winter) But 15 mials...

YES for sec i wondered what she was powering with it :wink:

I see i understand now thanks

That surprised me......... if i had to put money on which is the best out of imax no gpk no mast (dark blue) and no gpk with mast (green) id gone with green which as bob puts it, a cloud warmer, I just noted 1 trace is black ... should that be yellow? and yellow and red both read imax w gpk...

Diy Gainmaster any one?.......... will price them up, as thinking putting my Hygain 4 element beam vertical...so no upsetting thing with metal mast GRP Rods and Tubes - Engineered Composites thinking about it........what if we had in the sticky index thread with a list of hard to find/...

yes i fist see that long time ago in the big dummy guide to CB that's wear i get the 6 feet from for the ring

as you can see it was a VERY quick and dirty bodge It was done to replace the dead coil in the bottom of the bracket which was removed But it works very well (when not windy) and i cannot believe im posting photos of my bodgey work. Like i say all fixed and working in 50 minutes The wire...

Yes i will try it first with one, using the top 21.5 feet of mast or what ever the length works out to be. So the so 239 socket will be at the bottom of this insulated from it, with coax going up the centre of the mast /counterpoise and to come out the side of the insulator between the...

yes we modulate, it was past my bedtime so i did not get it bodge [bɒdʒ] vb 1. Informal to make a mess of; botch 2. Austral informal to make or adjust in a false or clumsy way I bodged the figures [changed from botch] to bodge it,I thought it meant a temporary fix.(which often...