http://elecraft.85.s1.nabble.com/Fw-K3-K144XV-P3-Signal-Strength-Readings-tp5937006p5954098.html
Region 1 (Europe, Africa, Middle East, N. Asia) but since I don't know
of any other official recommendation that's the one I used for the P3.
above, but I can speculate. One reason may be the fact that antenna
S-unit scale downward.
is probably a representative value. So the S meter on the HF transceiver
used.
My understanding is that is exactly how the K3 works now. However,
S9 = -98 dBm rather than -93 dBm. I believe it is on Wayne's list to
correct that in K3 firmware.
> G3UCK now at least has ex-VR2BG to talk to:
>
> > Very interesting, Brett, and thank you for your comments and the
> > research you have done. I *was* beginning to feel a little isolated by
> > lack of comment from anyone hihi! Although I did receive one reply
> > offlist reporting experience similiar to mine.
>
> The Brand-E community is rather USA-centric, in case you have not
> noticed ;^). You bring up something that falls in the
> something-is-other-than-fantastic category & that is not conducive to
> cheerleading or provides an opportunity to express economic patriotism,
> hence you were ignored. Hence your posts, my post & nothing else but
> somebody saying "Yeah, I noticed the same thing" to you directly. Is a
> bit of a shame, because it gets in the way of sorting out a product that
> has things that need sorting out.
>
> > I was not aware of the 1990 Torremolinos recommendation as such but a
> > recent thread here on the reflector
> >
http://mailman.qth.net/pipermail/elecraft/2011-January/143651.html
> > noted the ambiguity about 6m and Alan Bloom of Elecraft concluded that
> > it was generally accepted that it should be treated as in the -93dbm
> > category like 2m. However, you are correct to point out that it is a
> > Region 1 (ie EU) recommendation and I have not been able find out
> > whether or not there are similar or different recommendations for
> > Regions 2 and 3.
> >
> > Compared with my FT847 (another rig that straddles the -73/-93dbm
> > boundary) the S meter on the K144XV/K3 reads low on 2m and there have
> > been a number of postings on the reflector from at least two of the
> > IARU regions, if not all three, by people who feel that at present it
> > reads low compared with what they are used to on other rigs. This
> > suggests to me that other commercial rigs for 2m do use the -93dbm
> > standard - as the P3 now does. Unfortunately I do not have any test
> > gear that will produce a known 50 microvolts or 5 microvolts on 2m to
> > do some checking. I accept that this doesn't seem to accord with your
> > findings on your rig, Brett, if I properly understand them. As general
> > comment, though, the rig doesn't seem to show enough difference in db
> > between S1 and S9 on the bands you mention.
>
> It was the FT-847 that I was describing - one product from one
> manufacturer with Brand-Y's rather peculiar approach to R&D is obviously
> not the best way to judge overall state-of-play of the industry, but it
> is a start & I believe a more thorough look at how products are set up &
> how they actually perform will find not many following this
> Recommendation (do the likes of the really good, long established &
> respected transverter manufacturers really add 20 dB gain to the output
> of their products in order to comply?).
>
> S-meters are of course S-meters, we both I suspect are long enough in
> the tooth to understand their limitations, but a 20 dB delta is not
> insignificant & I really do wonder about this Recommendation that is so
> old, may not be followed & we cannot now see for ourselves why it is we
> were told things should be this way.
>
> It merits looking at further, especially if as I suspect (though my
> experience is only from IARU R3 & what they get up to in their
> conferences), there was zero involvement of anyone other than national
> societies in drafting it. To anyone with a relevant professional
> background, this point alone is a bit of a show-stopper.
>
> 73, ex-VR2BG/p.
>
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