The appendix calculations are only an example. Earth stations are not required to follow them for determining interference. IMHO, keyhole calculations coupled with standard interference calculations a la part 101 PCN is a superior methodology.
-Matt On Jun 18, 2009, at 1:28 PM, Charles Wyble wrote: > BTW the calculations in the R&O appendix have errors. I have a > corrected > version provided to me by the FCC OET. If there is interest I can post > it online and send the link. > > Matt Liotta wrote: >> 150km radius >> >> -Matt >> >> On Jun 18, 2009, at 11:01 AM, 3-dB Networks wrote: >> >>> Okay I'm banging my head against the wall a bit this morning J >>> >>> >>> >>> Subpart Z of the FCC Part 90 Rules - Wireless Broadband Serices in >>> the >>> 3650-3700 MHz Band - Section 90.1331 states: >>> >>> >>> >>> "(a)(1) Except as provided in paragraph (a)(2) of this section, base >>> and >>> fixed stations may not be located within 150 km of any grandfathered >>> satellite earth station operating in the 3650-3700 MHz band. The >>> coordinates >>> of these stations are available at http://www.fcc.gov/ib/sd/3650"; >>> >>> >>> >>> My interpretation of that rule would mean that you need to draw a >>> circle of >>> a radius of 150Km from each station, and this is your exclusion >>> zone. >>> >>> >>> >>> Yet many maps on the web show this 150Km requirement as diameter. >>> not as a >>> radius. >>> >>> >>> >>> Our office would be outside of the exclusion zone if it is a >>> diameter >>> requirement, yet inside the exclusion zone if it is a radius >>> requirement. >>> >>> >>> >>> Can anyone point me to something from the FCC that specifies what >>> the >>> requirement is? >>> >>> >>> >>> Thank you, >>> >>> >>> >>> Daniel White >>> >>> 3-dB Networks >>> >>> http://www.3dbnetworks.com >>> >>> >>> >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
