Besides, wouldn't a preamp be best anyhow on 2m and
up, to help with NF and coax loss? It's another part,
yes; but since no coax is lossless and that also
impacts noise figure, a preamp might as well be used
if you're going to invest money into a good antenna,
good feedline and a good radio.
--- "Dr. Gerald N. Johnson"
> On Fri, 2006-07-07 at 07:46 -0400, Scott Harwood
> > I recently acquired a 6N2 and agree with your
> observations, but I also noted that the receiver
> sensitivity on two meters was low compared to my
> other ricebox receivers. I sent it back to Ten-Tec
> for alignment. They returned the rig saying the rx
> sensitivity was within specs. I now use it with a
> Mirage preamp/amplifier and am very happy with the
> little rig.
> > Scott K4VWK
> The 6N2 should have a quiet receiver. Its MDS
> specification is 10 dB
> poorer than a rice box on 2m and 2m rice boxes are
> at least 10 dB poorer
> than 2m atmospheric noise in mid USA and more than
> 10 dB poorer than the
> 2m receiver state of the art for sensitivity. Of
> course that makes it
> easier to stand strong signals, and adding external
> broadly tuned
> preamps makes it a whole lot more susceptible to out
> of band strong
> signals like pagers and repeaters.
> 73, Jerry, K0CQ,
> All content copyright Dr. Gerald N. Johnson,
> electrical engineer
> TenTec mailing list
Shawn Upton, KB1CKT
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