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.
Shawn KB1CKT
--- "Dr. Gerald N. Johnson"
<geraldj@storm.weather.net> wrote:
> On Fri, 2006-07-07 at 07:46 -0400, Scott Harwood
> wrote:
> > 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
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
>
Shawn Upton, KB1CKT
__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|