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#1
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Glass Mount Antenna
I have a dual band glass mount antennas but did not get info to install. I
have installed the antennas and it seems to work fine on 2m as far as SWR. However, 450 SWR is very high and I am not sure what the small stub is to do. Is it vert.,horiz.,up or down? I have NOT tried to tune with the cap in the box as the SWR on 2 m is OK and not sure if it has anything to do with 450. HELP K5WOR |
#2
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Glass Mount Antenna
On Sun, 3 Aug 2008 15:30:00 -0500, "Richard"
wrote: I have a dual band glass mount antennas but did not get info to install. I have installed the antennas and it seems to work fine on 2m as far as SWR. However, 450 SWR is very high and I am not sure what the small stub is to do. Is it vert.,horiz.,up or down? I have NOT tried to tune with the cap in the box as the SWR on 2 m is OK and not sure if it has anything to do with 450. HELP K5WOR I presume by stub, you mean the single radial that comes as an attachement to the feedpoint. First, it is probably anodized black - scrape off the anodization. Second, twist the orientation for best results. Third, run the feedline close to the chassis (sheet metal) to decouple it. 73's Richard Clark, KB7QHC |
#3
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Glass Mount Antenna
I have one in my truck and these antennas are tightly tunned for the amateur
bands. On mine there is a tiny set screw to fine tune the coupler. As you mentioned, it was almost dead on for 2m but off on 446 or 450 so I had to turn the screw and now it's fine. The stub you mentioned is a counter poise for the stinger outside since there is no true metal ground with these. "Richard" wrote in message ... I have a dual band glass mount antennas but did not get info to install. I have installed the antennas and it seems to work fine on 2m as far as SWR. However, 450 SWR is very high and I am not sure what the small stub is to do. Is it vert.,horiz.,up or down? I have NOT tried to tune with the cap in the box as the SWR on 2 m is OK and not sure if it has anything to do with 450. HELP K5WOR ** Posted from http://www.teranews.com ** |
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