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Re: Antenna Hack of Motion Sensor
Jeff,
I've installed whip antennas on some wireless stuff, would like to try
a parabolic reflector on the whip, but am given to understand the
dimension from the whip to the reflector is critical. Is that correct,
and if so how do I find out the gap?
dougy
On Jul 2, 2009, at 8:31 AM, Jeffrey Lomicka wrote:
> I haven't tried this, but I've been thinking about putting one of my
> temperature sensors at the focal point of a parabolic reflector. You
> might be able to locate the motion sensor at the focal point of a
> reflector pointed at your receiver.
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I've installed whip antennas on some wireless stuff, would like to try
a parabolic reflector on the whip, but am given to understand the
dimension from the whip to the reflector is critical. Is that correct,
and if so how do I find out the gap?
dougy
On Jul 2, 2009, at 8:31 AM, Jeffrey Lomicka wrote:
> I haven't tried this, but I've been thinking about putting one of my
> temperature sensors at the focal point of a parabolic reflector. You
> might be able to locate the motion sensor at the focal point of a
> reflector pointed at your receiver.
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Sending UPB Communication Packet / Mark Johannessen / 29 Jun 2009
Re: Sending UPB Communication Packet / James Sentman <james-AT-sentman.com> / 29 Jun 2009
help with simple time delta / steven passmore <spassmore156-AT-earthlink.net> / 01 Jul 2009
Re: help with simple time delta / Hendrik van Eeden <hvaneeden-AT-comcast.net> / 01 Jul 2009
Re: help with simple time delta / Thomas D Arman <tdarman-AT-us.ibm.com> / 01 Jul 2009
Re: help with simple time delta / James Sentman <james-AT-sentman.com> / 01 Jul 2009
Re: help with simple time delta / steven passmore <steve-AT-passmore.us> / 01 Jul 2009
Antenna Hack of Motion Sensor / Jack Stewart <jacks-AT-amug.org> / 01 Jul 2009
Re: Antenna Hack of Motion Sensor / Doug Kiekow <dougy-AT-iphouse.com> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Jeffrey Lomicka <JeffreyLomicka-AT-comcast.net> / 02 Jul 2009
• Re: Antenna Hack of Motion Sensor / Doug Kiekow <dougy-AT-iphouse.com> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Jeffrey Lomicka <JeffreyLomicka-AT-comcast.net> / 03 Jul 2009
Control of Powerhorns / Jack Stewart <jacks-AT-amug.org> / 03 Jul 2009
Re: Control of Powerhorns / James Sentman <james-AT-sentman.com> / 03 Jul 2009
Re: Control of Powerhorns / Jack Stewart <jacks-AT-amug.org> / 03 Jul 2009
Re: Control of Powerhorns / Rekow Warren <warren_rekow-AT-speedyquick.net> / 03 Jul 2009
Re: Antenna Hack of Motion Sensor / Jack Stewart <jacks-AT-amug.org> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Steve Hume <stevelist-AT-hume.ca> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Steve Hume <stevelist-AT-hume.ca> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / James Sentman <james-AT-sentman.com> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Bob Ober <rmober123-AT-comcast.net> / 02 Jul 2009
Re: Antenna Hack of Motion Sensor / Jack Stewart <jacks-AT-amug.org> / 02 Jul 2009
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