Recently I was able to acquire a MFJ antenna analyzer. I love it. I used it to check my various antenna systems. During a discussion with a local CB shop operator who is also a licensed ham I was informed that my Moxon may have a problem. He was concerned about my high X factor reading. He warned me I could be doing some damage on the finals in my CB. I personally have no idea what the X factor is or what it is telling me. This is a new area for me.
Well having built the Moxon this last summer I only had a SWR meter to work with and now I have a device that gives me more information than my SWR meter. I have done a search on this but the search results have not been helpful So I turn to the group here. Is the results for my X factor a problem for me or not. I have attached some pictures of my analyzer results and a shot of the balun I also installed at the feed point of the antenna. The shots of the analyzer are lower CB and channels and upper CB channels or there about. As you see the X factor is higher on the upper frequency. As I rotate the antenna (armstrong) the X factor does change. It gets worse and better as it changes compass heading. Highest reading is 19 for X factor. Generally it is worse as it points towards the roof structure of my house. That is also the direction of my vertical antenna. In the first photo the antenna is pointing SW by S. Any other comps heading and the results are higher for X factor. SWR does alter a bit but nothing alarming. The Moxon is 15 feet over the top of a metal awning on the back of my house. It is mounted on the corner of the awning. The awning is 9 feet high and the mast is 14 above that. I am 23 feet high to the feed point. These readings were taken at the bottom of the mast or 14 feet from the feed point. The Balun pictured is at the feed point. Anyway I'm told I should not use the antenna with these results. What say you here? Thanks for your help guys.
Well having built the Moxon this last summer I only had a SWR meter to work with and now I have a device that gives me more information than my SWR meter. I have done a search on this but the search results have not been helpful So I turn to the group here. Is the results for my X factor a problem for me or not. I have attached some pictures of my analyzer results and a shot of the balun I also installed at the feed point of the antenna. The shots of the analyzer are lower CB and channels and upper CB channels or there about. As you see the X factor is higher on the upper frequency. As I rotate the antenna (armstrong) the X factor does change. It gets worse and better as it changes compass heading. Highest reading is 19 for X factor. Generally it is worse as it points towards the roof structure of my house. That is also the direction of my vertical antenna. In the first photo the antenna is pointing SW by S. Any other comps heading and the results are higher for X factor. SWR does alter a bit but nothing alarming. The Moxon is 15 feet over the top of a metal awning on the back of my house. It is mounted on the corner of the awning. The awning is 9 feet high and the mast is 14 above that. I am 23 feet high to the feed point. These readings were taken at the bottom of the mast or 14 feet from the feed point. The Balun pictured is at the feed point. Anyway I'm told I should not use the antenna with these results. What say you here? Thanks for your help guys.