> > > You dont need to shut down an AM or an FM to paint ro
> > change
> > > bulbs. We just did that on a few of our stations, and
> all
> >
> > > stayed on the air.
> >
> > Hmm... I would figure that for an AM you'd have to go
> > off-air since the whole tower is the antenna. Care to
> > explain how it's done? (Feel free to email me off the
> board
> > (or Google Talk me))
>
> If the antenna is a directional, often only one tower is
> fed, while work is done on the other(s).
>
> I have worked on a live tower, and have seen many painted
> live. I really don't know current OSHA regs on reducing
> power, but you can easily paint the twoer if you don't short
> it to ground. Same with lamping. Once you jump onto the
> tower, you are part of the radiator. You use rope, not
> wires, to hoist parts or paint, and avoid shorting across
> the insulators.
>
We just had the bulbs replaced on one of our AMs with the towers live. As long as you are not touching any ground (on an AM) you should have no troubles. FMs, with the shorter wavelength, can be an issue which is why we go to the AUX antenna during tower work by the main antenna.