Hello Pablo, Antenna have a centre freq that they are optimised for, however I wouldn't have thought there would be such a big difference over ~60Mhz of freq...
-- Best regards, evilbunny mailto:[EMAIL PROTECTED] http://www.cacert.org - Free Security Certificates http://www.nodedb.com - Think globally, network locally http://www.sydneywireless.com - Telecommunications Freedom Wednesday, November 27, 2002, 11:58:40 AM, you wrote: PBB> Hi (sorry about my english), PBB> I have an strange signal level problem with an instalation in one city. PBB> The central point has an omnidirectional 10 dBi antenna (from a local PBB> manufacturer), and the clients have 15 dBi yagis. PBB> There are a lot of difference on the signal level between channels, for PBB> example: channel 1 80%, channel 6 50% and channel 11 20%. There is no PBB> significant noise level on all channels. PBB> The problem disappear when I change the central antenna with an Hyperlink 15 PBB> dBi omnidirectional, all channel have about 85/90%. PBB> Ok, apparently the problem is the central antenna, but... PBB> Is it possible that an antenna has this big difference (from 80% to 20%) PBB> between channels 1 and 11? PBB> Does anybody know an antenna with this kind of problem? PBB> Or, is it perhaps an interference or other kind of problem? PBB> Thanks in advance. PBB> Pablo. PBB> -- PBB> general wireless list, a bawug thing <http://www.bawug.org/> PBB> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
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