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Peter DL2FI wrote:

Of course their is a rule for QRP SSB since long times.
All QRP Clubs worldwide accept 10W PEP as SSB QRP Power.

Peter, the QRP Clubs are focused primarily on CW. QRP club members are
an elite minority among hams. Few operators are very active using
"10W QRP SSB" on the 14MHz band.

"QRP" is not the objective of the SSB 20m Low Power Window Band Plan
Proposal, so please do not confuse QRP with SSB Low Power.

Both the practical and theoretical power level comparisons show that
10W PEP SSB is not equivalent to QRP 5W CW. One must consider when
formulating a proposal, whether the plan is both technically
meritorious and can achieve popular acceptance among the general ham
community.

It is doubtful that a 10W PEP SSB proposal would achieve popular
acceptance. Personally, I would not be an advocate for it, since my
own technical experience has shown that it is an unacceptably low
power level for dependable SSB communications in the 14MHz band.

Practically speaking, a popular proposal is a moderate proposal,
achieving the goal with the most support from everyone. The primary
goal in this case is to provide a small "safe harbor" on 20m SSB, free
of kilowatts.

Bonnie KQ6XA

Surely you are missing the point. If you want to achieve dependable
communication, use CW or more power. I would have thought the point
of a low power window would be to enable people using low powered
equipment, particularly battery or solar powered, to attempt
communication in the spirit of the hobby, i.e. primarily for fun. 50W
is too much for battery or solar powered equipment and it is not far
enough below what most people use even from their home station to
make any practical difference, in my opinion.

Julian, G4ILO

What would be the optimal amp hour capacity for a batter when using 20-50w?
Am looking to put my 817 portable with the THP HL-50B amp.

mike ac6ja

G4ILO Julian wrote:

50W is too much for battery or solar powered equipment
and it is not far enough below what most people use
even from their home station

Julian, you are wrong about 50W sSB being too much for either battery
or solar power.

And 25~50W SSB is really what is needed to be effective when
communicating on 14MHz as a Pedestrian Mobile.

Bonnie KQ6XA