Now....I am still confused about amps! Can I, as a licensed ham operator, buy and operate an 11 meter amp on ten meters? (Either purchased from a company or private sale....)
Properly licensed hams may:
Own, build, buy, sell, operate, repair, design, manufacture, and use ANY HF amplifier so long has it is operated according the FCC rules, i.e., within the proper bands for the license held, within power and emission standards, and is appropriate for to making or continuing a contact with other proper licensed ham. ONLY properly licensed hams have this privilege. Further, there are specific restrictions on how many amplifiers an individual ham may manufacture or modify (home brew) per year.
UNCERTIFIED HF amps may be sold by properly licensed ham to other properly licensed ham.
K4ICL
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Here is the text of the FCC rules regarding this subject.
§97.315 Certification of external RF power amplifiers.
(a) No more than 1 unit of 1 model of an external RF power
amplifier capable of operation below 144 MHz may be
constructed or modified during any calendar year by an
amateur operator for use at a station without a grant of
certification. No amplifier capable of operation below 144
MHz may be constructed or modified by a non-amateur operator
without a grant of certification from the FCC.
(b) Any external RF power amplifier or external RF power
amplifier kit (see §2.815 of the FCC Rules), manufactured,
imported or modified for use in a station or attached at any
station must be certificated for use in the amateur service
in accordance with Subpart J of Part 2 of the FCC Rules.
This requirement does not apply if one or more of the
following conditions are met:
(1) The amplifier is not capable of operation on frequencies
below 144 MHz. For the purpose of this part, an amplifier
will be deemed to be incapable of operation below 144 MHz if
it is not capable of being easily modified to increase its
amplification characteristics below 120 MHz and either:
(i) The mean output power of the amplifier decreases, as
frequency decreases from 144 MHz, to a point where 0 dB or
less gain is exhibited at 120 MHz; or
(ii) The amplifier is not capable of amplifying signals
below 120 MHz even for brief periods without sustaining
permanent damage to its amplification circuitry.
(2) The amplifier was manufactured before April 28, 1978,
and has been issued a marketing waiver by the FCC, or the
amplifier was purchased before April 28, 1978, by an amateur
operator for use at that amateur operator's station.
(3) The amplifier was:
(i) Constructed by the licensee, not from an external RF
power amplifier kit, for use at the licensee's station; or
(ii) Modified by the licensee for use at the licensee's
station.
(4) The amplifier is sold by an amateur operator to another
amateur operator or to a dealer.
(5) The amplifier is purchased in used condition by an
equipment dealer from an amateur operator and the amplifier
is further sold to another amateur operator for use at that
operator's station.
(c) Any external RF power amplifier appearing in the
Commission's database as certificated for use in the amateur
service may be marketed for use in the amateur service.