[nrv-hams] A sImplex net question

Knight, Dave diemkae at gmail.com
Tue Nov 5 12:43:56 EST 2019


Hi Cam,

When I was talking to Simplex Net Control, receiving @ S4/9 everything was
"normal".  When others were transmitting(?) I would see S9/9 with total
silence, no static, nada.  About what I would expect with a "dead key" or a
faulty mic.

==================================================================================================

My base station set up is:

Power supply: Samlex SEC1235M, 35 amp

Base station: Kenwood 732A, 144/440 dual-band, 50/25/5 watts

Antenna:  Diamond  X300A, 144/440 dual-band vertical mounted pole ~30 feet
off ground as in slightly
                above the roof-line, location: top of Pendleton St hill in
the West end of Radford.

==============================================================================

Contacts with 2-meter repeaters:

   N4NRV/Cloyd Mountain, ~15 miles from Radford (per RepeaterBook.com
proximity search,
                      147.180  S9/9, clear audio breaks squelch

   WA1ZMS/Apple Orchard Mtn,Bedford,~ 65 miles from Radford,
                      146.685, S5/9 clear audio breaks squelch

==============================================================================

Also, repeater contacts with my HT running 8 watts while sitting in my
living room:
        Baofeng BF-F8HP dual-band with a Nagoya 771 15" after-market
antenna:

     N4NRV/Cloyd Mountain, ~15 miles from Radford (per RepeaterBook.com
proximity search,
                      147.180 (no S meter), clear audio breaks squelch,
little or no static

     K4EZ/Wytheville, 31 miles from Radford,
                       146.775 (no S-meter), clear audio breaks squelch,
some static

     N4VL/Poor Mtn Roanoke, 36 miles from Radford,
                        145.410 (no S-meter), clear audio breaks squelch,
some static

     WA1ZMS/Apple Orchard Mtn, Bedford~ 65 miles from Radford,  146.685, no
response

These repeaters are all good from the base station.

Let's see how the Simplex Net goes tonight...

On Tue, Nov 5, 2019 at 9:01 AM Cam Coble <cam at doubleclickdata.com> wrote:

> Hey Dave,
> Net control should have a log of who was able to receive you, so just ask
> them for that for confirmation of your signal getting out.
> Sounds like you were able to contact net control normally, but not others
> even though you witnessed an S9+ signal strength?
> Did you hear anything during the 9/9? Static? Dead key?
> What's your setup?
> --
> Cam - W4XXV
>
> On Mon, Nov 4, 2019 at 4:39 PM Knight, Dave <diemkae at gmail.com> wrote:
>
> > Last Tuesday, I was running at 50 watts off my main antenna and
> > send/receive audio with Net Control was "normal" (S meter said 4/9 on
> > receive).   However, I could not hear any of the other participants
> though
> > I think they could hear me.  The weird thing is that when (I assume) they
> > were transmitting, my S-meter was hitting up to 9/9 but I heard no audio
> -
> > as if they were broadcasting a strong carrier with no audio modulation.
> >
> > It seemed that Net Control was receiving them (sometimes), but neither my
> > base station nor a nearby HT even broke squelch (despite an apparent 9/9
> > signal) except when Net Control (at 4/9) was talking.
> >
> > Any ideas what is happening?
> >
> > Maye tomorrow will provide more info...
> >
> > Dave/K2COE
> >
> > --
> >
> > In your time of need, may your piece be with you!
> >
> > The trouble with many of today's college graduates is not that they're
> > ignorant, it's that they've been taught so much that just isn't so!
> >
> >                                                       (with apologies to
> > Ronald Reagan).
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