Amateur radio spread spectrum frequencies

The League agrees that it is useful to relax somewhat the rules contained in Sections You may think of this coded sequence as identifying numerous individual channels across the breadth of an amateur band, and the carrier frequency randomly bouncing from channel to channel over time in quick hops. Spread Spectrum : Part 97 Rules and Regulations. Why bother? TAPR believes that it is in the public interest, and in the interest of the amateur radio service, to change the rules for SS in order to accelerate the adoption of SS by the general amateur community. ET Docket No.
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Spread Spectrum | AMRAD

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(E8D03) Spread Spectrum

The League urges that the Commission propose and ultimately adopt these proposed rule changes. The interference and harm to the band in which an SS station is operating that would be caused by a requirement to use a CW identification outweighs the benefits that would accrue for monitoring purposes from the use of the ID. All amateur satellite operations occur within the allocations tabled below, except for AO-7 , which has an up-link from Finally, the Commission should not impose any restriction on the length of time SS emissions are transmitted.
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Some amateurs on VHF seek to take advantage of "band openings" where natural occurrences in the atmosphere and ionosphere extend radio transmission distances well over their normal range. According to a report by Mr. Ham operators seek to exploit the limits of the frequencies usual characteristics looking to learn, understand, and experiment with the possibilities of these enhanced propagation modes. National authorities regulate amateur usage of radio bands. Hidden categories: CS1 maint: archived copy as title Articles needing additional references from July All articles needing additional references Use dmy dates from May All articles with unsourced statements Articles with unsourced statements from April
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The bandplan published by the American Radio Relay League recommends frequencies based on intended activity in the band. The League urges that the Commission propose and ultimately adopt these proposed rule changes, which are in the League's opinion the minimum necessary changes in order to foster SS experimentation in the Amateur Service, while at the same time preserving those necessary existing protections against those who might conceivably exploit the amateur bands for non-amateur purposes. NAB's principal concern was that uncontrolled amateur transmissions might fall outside the allocated band into channel 2. Spread spectrum is a technique to reduce the power density of a radio transmission by spreading its signal over a wide band of frequencies, at least 10 times the information rate and usually much higher. In , the FCC expressed a desire to extend spread spectrum communications outside of the military-only realm and allow radio amateurs to experiment with spread spectrum communications. If interference is detected by the receiver it will signal the transmitter to change frequencies B. No specific agreements have been enacted on that subject to date.
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