On 9/28/2016 3:40 PM, charlie@thegallos.com wrote:
Gives them an objective system of numbers to
work with
There's no need to add irrelevant regulations. First, the FCC has
already SAID part 15 isn't enough, addressing "Parties responsible for
equipment compliance":
§ 15.15 General technical requirements.
(c) Parties responsible for equipment compliance should note that the
limits specified in this part will not prevent harmful interference
under all circumstances. Since the operators of part 15 devices are
required to cease operation should harmful interference occur to
authorized users of the radio frequency spectrum, the parties
responsible for equipment compliance are encouraged to employ the
minimum field strength necessary for communications, to provide greater
attenuation of unwanted emissions than required by these regulations,
and to advise the user as to how to resolve
harmful interference problems (for example, see §15.105(b)).
§ 15.17 Susceptibility to interference.
(a) Parties responsible for equipment compliance are advised to consider
the proximity and the high power of non-Government licensed radio
stations, such as broadcast, amateur, land mobile, and non-geostationary
mobile satellite feeder link earth stations, and of U.S.
Government radio stations, which could include high-powered radar
systems, when choosing operating frequencies during the design of their
equipment so as to reduce the susceptibility for receiving harmful
interference.
Second, there's no reason not to include in the purchase contract that
the MANUFACTURER (as the Party responsible) warrants his equipment
against causing harmful interference to radio or radio-frequency
interference in accordance with FCC Part 15, section 15.105 (c). above
That means they have to 1) comply with the limits and 2) remedy the
overage if it does occur, and add that to their product warranty in the
customer instructions.
If you want to be really strict, you can require he also warrant the
product against being interfered with per 15.17.
Cortland Richmond
KA5S
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