Check out what the ARRL says about RST (page 2 of the document).
NOTHING about volts. It's all subjective.
http://www.arrl.org/FandES/field/forms/fsd220.pdf
A definition from the 1930s when one could not expect anything better.
There is a better definition now (IARU Region 1 Technical Recommendation
R.1) and it should imho be used.
RST should be more than "Raten, Schätzen, Täuschen"
For me the purpose of an S meter is as a RELATIVE comparison tool.
As long as the quality of the meters is as poor as most are, they are
not even usable for relative comparisons excepting "stronger/weaker but
absolutely no idea how much more or less". One should not expect a
S-Meter to replace a R&S ESU test receiver, but they should be more than
"feel good" meters. How can any regulator can take an interference
report using S-Meter values seriously is beyond me, when one considers
the current state of most meters.
vy 73 de toby
PS: raten = to guess, schätzen = to approximate, täuschen = to delude
--
DD5FZ, 4N6FZ (ex dj7mgq, dg5mgq, dd5fz)
K2 #885, K2/100 #3248
K3/100 #??? (< #200)
DOK C12, BCC, DL-QRP-AG
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