[NLRS] 1296 antennas

[kb0pyo]

I use 4 of the 23cm35s, works great.
		Mark


Jim Johnson wrote:
> 
> What does everyone reccomend for a 1296 antenna? I am using a 45 element
> loop yagi now but I mounted on top of the 15' mast "elements up" and I
> suspect the birds have bent the elements? The reflected power is real
> high where it was almost flat when I put it up last year. I am thinking
> about changing it out for a M squared 23CM35EZ 35 element yagi I have to
> tip the tower to fix the old one so replacing is a option since it will
> be accesable. Granted paths are differnet but when Bill K0AWU hears
> W0GHZ 5.9 on 1296 and me being 7 miles away I cant even detect him there
> is something really wrong there. I used new 7/8" andrews up the tower
> and a short 9913F jumper for a rotor loop to 1/2" heliax to the antenna
> so feedline should not be a issue. I have tryed 2 different transverters
> here still have both and neither one hears any different.
> 
> Suggestions? Comments?
> 
> The 45 element loop is a Directive systems antenna 2345LY
> 45 element Loop Yagi, 1270 - 1300 MHz, 20dBi, 16�, 11'9" boom
> 
> M2's antenna claims 18.4 dBd so compairable gain between the 2
> www.m2inc.com
> 
> I think the differance was what -2.3 dB between dBd and dBi right?? The
> isotrophic radiator has less gain than a dipole some say 2dB I have
> heard 2.3dB I think ?
> 
> Basically same gain for the 2 antennas from what I figure. Is there a
> advantage? one over the other?
> 
> 73
> Jim
> KB�CIM  EN37
> 
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