In article ,
"McFerg" wrote:

These new energy efficient household bulbs really cause a lot interference
on my medium wave and the lower short wave bands. Is there anything I can do
to eliminate it, short of switching back to the old filament type

No easy way. You are better off with the incandescent bulbs as those
screw type florescence are a mercury hazard and depending on the
instillation they will not last long.

The best use for the energy efficient bulbs are ones that are not
switched on/off often and are mounted upright. That eliminates most uses.

A better system would be low voltage quartz or LED type lighting but
that takes rewiring the house.

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Telamon
Ventura, California