I would like to correct myself with regards to the personal devices. I confused what they said in the first R&O with what they said in this one... 100 mw EIRP for personal devices.
----- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com -------------------------------------------------- From: "Mike Hammett" <[EMAIL PROTECTED]> Sent: Wednesday, November 19, 2008 1:00 PM To: "WISPA General List" <[email protected]> Subject: Re: [WISPA] White Spaces Mapping Tool > Further information on this is that for fixed devices, a 30 dB transmit > power into the antenna with a 6 dBi antenna. Every 1 dB decrease in > transmit power results in a 1 dB increase in antenna gain... so for the > largest practical antenna I can think of... 26 dB transmitter, 10 dB > antenna. I believe Blair Davis provided a copy of a spec sheet for a 14 > dB > gain antenna (so only 22 dB transmitter) that appears to be roughly 4'. > It > has an awfully small wind resistance, however, so you shouldn't need as > strong of mounting as you would think. 16.52 pounds at 100 mph, while a > 24 > dBi RooTenna has 77.8 pounds and is significantly smaller in physical > dimension. > > Enough of that rambling... > > Personal portable devices are 100 mW transmitter with 6 dBi antenna for > maximum EIRP of 400 mW. This goes quite a ways in 2.4 outdoors, so > hopefully we can deal with that. > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > > > -------------------------------------------------- > From: "Mike Hammett" <[EMAIL PROTECTED]> > Sent: Wednesday, November 19, 2008 10:07 AM > To: <[EMAIL PROTECTED]>; "WISPA General List" > <[email protected]> > Subject: Re: [WISPA] White Spaces Mapping Tool > >> Channels 3, 4, and 37 are excluded no matter what. >> >> Fixed users cannot use an adjacent channel (at this time) and are >> permitted >> between 2 and 51, with a power limit of 4 watts EIRP. >> >> Personal portable users are restricted to channels 21 - 51. 100 mw of >> power, but are to use 40 mw on channels adjacent to licensed users. >> >> Page 2 of the R&O. >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> >> >> -------------------------------------------------- >> From: "Brian Webster" <[EMAIL PROTECTED]> >> Sent: Tuesday, November 18, 2008 11:40 PM >> To: "Tom DeReggi" <[EMAIL PROTECTED]>; "WISPA General List" >> <[email protected]> >> Subject: Re: [WISPA] White Spaces Mapping Tool >> >>> As far as I know, the white spaces will only be channels 21-51 excluding >>> channel 37. That's why they aren't included in the file. I could be >>> wrong >>> on >>> that but seems like I pulled that from some document somewhere. That was >>> prior to the ruling. If you find information to the contrary I'll update >>> the >>> tool. >>> >>> >>> >>> Thank You, >>> Brian Webster >>> www.wirelessmapping.com <http://www.wirelessmapping.com> >>> >>> >>> -----Original Message----- >>> From: Tom DeReggi [mailto:[EMAIL PROTECTED] >>> Sent: Wednesday, November 19, 2008 12:21 AM >>> To: [EMAIL PROTECTED]; WISPA General List >>> Subject: Re: [WISPA] White Spaces Mapping Tool >>> >>> >>> Brian, >>> >>> When I looked at teh tool, it showed channels 20-52. >>> Do you have mapping for channels 2-19? >>> >>> Tom DeReggi >>> RapidDSL & Wireless, Inc >>> IntAirNet- Fixed Wireless Broadband >>> >>> >>> ----- Original Message ----- >>> From: "Brian Webster" <[EMAIL PROTECTED]> >>> To: "WISPA List" <[email protected]> >>> Sent: Tuesday, November 18, 2008 8:35 PM >>> Subject: [WISPA] White Spaces Mapping Tool >>> >>> >>>>I have had several requests to send the free Google Earth tool I created >>>>to >>>> show the TV white Spaces available for any given area in the US. I have >>>> posted a copy of the file on my web site. Scroll down the home page to >>>> the >>>> area just above the sample maps. There you will find the link to the >>>> file >>>> and an explanation for how to use the tool. >>>> >>>> >>>> Thank You, >>>> Brian Webster >>>> www.wirelessmapping.com >>>> >>>> >>>> >>>> -------------------------------------------------------------------------- >>> ------ >>>> WISPA Wants You! 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