[WISPA] TV Whitespaces PtP Backhaul

[Chuck McCown - 3]

75 ohms.
Someone will spin 50 ohm models.  
Or just put up with the minor VSWR.
  ----- Original Message ----- 
  From: Blair Davis 
  To: WISPA General List 
  Sent: Tuesday, November 18, 2008 5:22 PM
  Subject: Re: [WISPA] TV Whitespaces PtP Backhaul


  Look at the BLONDER TONGUE BTY-10-U UHF single channel units

  Third photo down on the left.

  I'd look hard at these as CPE antennas...



  Steve Barnes wrote: 
That's scary.  And that's only a receiver antenna.  So are we looking at
an extra trailer behind our install trucks to carry an 8ft x 6ft yagi as
well as 10 foot tv tower sections to get it up high enough and away from
the house.

Steve Barnes
RCWiFi Wireless Internet 
-----Original Message-----
From: wireless-bounces at wispa.org [mailto:wireless-bounces at wispa.org] On
Behalf Of Mike Hammett
Sent: Tuesday, November 18, 2008 12:54 PM
To: WISPA General List
Subject: Re: [WISPA] TV Whitespaces PtP Backhaul

For an idea of antenna size...  look at a TV antenna.  Same band, same
size 
antenna for same gain.


-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com



--------------------------------------------------
From: "Steve Barnes" <steve at pcswin.com>
Sent: Monday, November 17, 2008 9:45 PM
To: "WISPA General List" <wireless at wispa.org>
Subject: Re: [WISPA] TV Whitespaces PtP Backhaul

  Even in our area in eastern Indiana there is lots of 5.8 still
    available
  for PTP.  700 PTP is not necessary in my opinion.

I am concerned about 700 Mhz antenna sizes.  Aren't sectors going to
    be
  huge to get the 4 watt at the antenna?  I am also concerned about the
CPE Panel size. Going from a 15" Panel to a 20" panel gives us a lot
more wind issues at the client.

Don't get me wrong I am excited about the whitespace out come.  I
appreciated the work of the Whitespace committee.

We have tower owners who are concerned about the sizes of our antennas
now.  Change from a 12 foot 900 Omni to a 16+ foot 700 will not get
    rave
  reviews.

Steve Barnes
RC-WiFi
-----Original Message-----
From: wireless-bounces at wispa.org [mailto:wireless-bounces at wispa.org]
    On
  Behalf Of Mike Hammett
Sent: Monday, November 17, 2008 8:35 PM
To: WISPA General List
Subject: [WISPA] TV Whitespaces PtP Backhaul

I keep seeing desire to have a special category set aside for PtP
backhaul operations in the whitespaces.

To those of you that understand the extreme rural environments...  Is
this at all necessary?  I don't see why it would be.


-----
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com




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