[R-390] Coaxial extremes!

[Jon & Valerie Oldenburg]

I've been finaly assembling an amplified receive antenna project here. I =
have obtained a broad band amplifier with a coverage of  5-mhz to =
1500-mhz, which uses SMA connectors. I will be mounting the amp in a =
weather proof  feed with 1/2 inch hard-line to the steel box on the mast =
of the antenna. The box will be provided with "n" chassis mount jacks. =
The big question is on the SMA connectors to the amp. The connectors I =
have obtained appear to be of a crimp-on type, with a knurled shield =
crimp area having a diameter of .168 (OD) inch, and a crimp sleeve =
provided to fit over it of .197( ID).  The box for this installation is =
rather small and since the coax runs are only 2 or 3  inches I was going =
to use RG-174.  The crimp/ contact area seems  wrong, but the center =
conductor -ok,  maybe RG-58 is required?  On the other extreme-( he-he =
!!! ) I just obtained a brand new 150' roll of Andrew LDF7-50A  =
Hard-line. Will be using this as the feed line on my tower project in =
Townsend WI. If any one has a line on reasonable priced "N" female =
fittings for this 1 5/8" foam dialectric cable I'd appreciate the tip.  =
Thanks in advance & 73's Jon AB9ah
                                                                         =
                                       "If everything seems under =
control, you're just not going fast enough."=20
 - Mario Andretti


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