Comments on: Antenna Testing http://villagetelco.org/2009/12/antenna-testing/ an easy-to-use, scalable, standards-based, wireless, local, do-it-yourself, telephone company toolkit Tue, 15 May 2012 18:57:59 +0000 hourly 1 http://wordpress.org/?v= By: Microwave Design and Why Experience Matters « Rowetel http://villagetelco.org/2009/12/antenna-testing/#comment-154 Microwave Design and Why Experience Matters « Rowetel Mon, 04 Apr 2011 08:15:49 +0000 http://villagetelco.org/?p=482#comment-154 [...] microwave circuits can be very sensitive to small changes in physical dimensions. For example the PCB antennas we designed had measurable differences between 17 and 20mm versions of the same antenna. A few mm [...] [...] microwave circuits can be very sensitive to small changes in physical dimensions. For example the PCB antennas we designed had measurable differences between 17 and 20mm versions of the same antenna. A few mm [...]

]]> By: 2.1km Mesh Potato Call « Rowetel http://villagetelco.org/2009/12/antenna-testing/#comment-153 2.1km Mesh Potato Call « Rowetel Wed, 11 Aug 2010 00:48:06 +0000 http://villagetelco.org/?p=482#comment-153 [...] clearly visible. At the top of the photo are various prototype PCB and commercial antennas that we have tested. All of the antennas in the photo have a gain of about 2dB and are roughly [...] [...] clearly visible. At the top of the photo are various prototype PCB and commercial antennas that we have tested. All of the antennas in the photo have a gain of about 2dB and are roughly [...]

]]> By: V1.3 Antenna Testing « Village Telco http://villagetelco.org/2009/12/antenna-testing/#comment-152 V1.3 Antenna Testing « Village Telco Fri, 06 Aug 2010 23:33:43 +0000 http://villagetelco.org/?p=482#comment-152 [...] (V1.2 omni and V1.3 printed antenna) worked about the same. This is consistent with the tests Jeff and I performed last [...] [...] (V1.2 omni and V1.3 printed antenna) worked about the same. This is consistent with the tests Jeff and I performed last [...]

]]> By: Beer, Coffee, and a little DSP » Blog Archive » Linux.conf.au (LCA) 2010 http://villagetelco.org/2009/12/antenna-testing/#comment-151 Beer, Coffee, and a little DSP » Blog Archive » Linux.conf.au (LCA) 2010 Wed, 27 Jan 2010 01:38:50 +0000 http://villagetelco.org/?p=482#comment-151 [...] 12 months. To keep the talk fresh I chose to talk mostly about topics that interested me, like the recent antenna experiments. I also made a point of finishing in just 30 out of the allocated 45 minutes, allowing plenty of [...] [...] 12 months. To keep the talk fresh I chose to talk mostly about topics that interested me, like the recent antenna experiments. I also made a point of finishing in just 30 out of the allocated 45 minutes, allowing plenty of [...]

]]> By: Potato on the Jetty – Range testing PCB Antennas « Village Telco http://villagetelco.org/2009/12/antenna-testing/#comment-150 Potato on the Jetty – Range testing PCB Antennas « Village Telco Thu, 14 Jan 2010 04:43:09 +0000 http://villagetelco.org/?p=482#comment-150 [...] want to use etched PCB Wifi antennas for the Mesh Potato. However we have heard that some companies have had problems with PCB antennas, [...] [...] want to use etched PCB Wifi antennas for the Mesh Potato. However we have heard that some companies have had problems with PCB antennas, [...]

]]> By: Beer, Coffee, and a little DSP » Blog Archive » How not to connect to microstrip http://villagetelco.org/2009/12/antenna-testing/#comment-149 Beer, Coffee, and a little DSP » Blog Archive » How not to connect to microstrip Thu, 14 Jan 2010 00:00:55 +0000 http://villagetelco.org/?p=482#comment-149 [...] few days ago I wanted to build some more PCB monopole antennas for testing with the Mesh Potato. This is really easy - you just solder the SMA connectors to the [...] [...] few days ago I wanted to build some more PCB monopole antennas for testing with the Mesh Potato. This is really easy – you just solder the SMA connectors to the [...]

]]> By: Beer, Coffee, and a little DSP » Blog Archive » Mesh Potato Antenna Testing http://villagetelco.org/2009/12/antenna-testing/#comment-148 Beer, Coffee, and a little DSP » Blog Archive » Mesh Potato Antenna Testing Tue, 22 Dec 2009 20:29:28 +0000 http://villagetelco.org/?p=482#comment-148 [...] have just completed a long blog post on some tests Jeff and I did yesterday on Wifi antennas for the Mesh Potato. We tested a bunch of wire and PCB antennas. Next step is to discuss the results with the community [...] [...] have just completed a long blog post on some tests Jeff and I did yesterday on Wifi antennas for the Mesh Potato. We tested a bunch of wire and PCB antennas. Next step is to discuss the results with the community [...]

]]> By: Peter Jansen http://villagetelco.org/2009/12/antenna-testing/#comment-147 Peter Jansen Tue, 22 Dec 2009 09:25:24 +0000 http://villagetelco.org/?p=482#comment-147 You may want also to check the polarization, a good tool for this is, http://www.turnpoint.net/wireless/cantennahowto.html Which is a polarized antenna, rotate it through 90 degrees and the signal should dip. If there is no change in received signal, then your sending antenna is un-polarized. You may want also to check the polarization, a good tool for this is,

http://www.turnpoint.net/wireless/cantennahowto.html

Which is a polarized antenna, rotate it through 90 degrees and the signal should dip. If there is no change in received signal, then your sending antenna is un-polarized.

]]> By: drowe http://villagetelco.org/2009/12/antenna-testing/#comment-146 drowe Tue, 22 Dec 2009 06:06:25 +0000 http://villagetelco.org/?p=482#comment-146 Thanks Bart. Hmmm, I wonder if such a reflector could be fitted outside a MP, just like a flat reflector. Thanks Bart. Hmmm, I wonder if such a reflector could be fitted outside a MP, just like a flat reflector.

]]> By: icarus75 http://villagetelco.org/2009/12/antenna-testing/#comment-145 icarus75 Mon, 21 Dec 2009 22:22:21 +0000 http://villagetelco.org/?p=482#comment-145 Hi David, I've used this <a href="http://www.freeantennas.com/projects/template/index.html" rel="nofollow">Deep Dish Cylindrical Parabolic Reflector</a> design to turn my WRT54 dipole omni's into a pair of directional antennas. All you need is some polyurethane, cardboard and aluminum foil. Some hardening of the design would be needed for outdoor installations. Cheers, Bart. Hi David,

I’ve used this Deep Dish Cylindrical Parabolic Reflector design to turn my WRT54 dipole omni’s into a pair of directional antennas. All you need is some polyurethane, cardboard and aluminum foil. Some hardening of the design would be needed for outdoor installations.

Cheers,
Bart.

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