Re: [WISPA] anyone have SCADA expertise?

[Tom DeReggi]

Much of the SCADA system was Frequency Hopping (all over the place).   A good combat for that is a radios that supports ARQ. Also, use Horizontal pol as much as possible.  Doesn't mean there aren't DSSS ones. Most of the SCADA systems I thought used narrow channels, and didn't take a lot of bandwdith. You should definately contact them, to discuss if you know who you are interfering with. The FCC has also requested that we as WISPs work hard to work with the local power companies that we interfer with. They are the biggest entities fighting to limit us using higher power limits in 900.    Tom DeReggi RapidDSL & Wireless, Inc IntAirNet- Fixed Wireless Broadband     ----- Original Message ----- From: Brett Hays To: isp-wireless@isp-wireless.com Cc: Conversations over a new WISP Trade Organization Sent: Thursday, December 29, 2005 4:12 PM Subject: [WISPA] anyone have SCADA expertise? I have a water tower near one of my 900Mhz ap's that's causing me a lot of interference due to the water company's SCADA stuff.  Does anyone know if the devices they use have channel control in terms of switching channels within 900Mhz or are they all over the place all the time.  I have a sense the water company might do some channel management with me, but I wanted to know if their equipment had that capability before I made the enquiry. -- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/

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