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NI4L: 7 Band OCF

Review of NI4L’s 7 Band Off Center Fed dipole

NI4L’s 7 Band OCF Dipole

This review of NI4L’s 7 band OCF dipole was prompted by my needing a quick deploy multiband antenna for both field day, and for RVing. Having looked over his antenna I decided on the 7 band version, as that would cover most of my needs while in the field. Last year on Field Day I was able to use an OCF dipole, and enjoyed the quick bandswitching it allowed, so I thought I’d try and find a good OCF dipole and give one an extended try. After looking around the net I found NI4L’s site. Interestingly enough I found it while on eBay, not with Google. His site is very difficult to locate on Google for some reason so here is the link to NI4L’s web site. But if you buy an antenna from NI4L, do it on eBay, it is a few dollars cheaper at this time. In any case, what caught my eye was that he is using Flex-Weave cable for the antenna. Others are, but for some reason NI4L’s site made it more apparent. Another reason is that NI4L is also using an off the shelf W2AU Balun. I have had good luck with that balun so that was enough for me. The W2AU is an all stainless steel hardware balun as well, so it will not be corroding off the antenna anytime soon. The W2AU balun also is good for 2 KW PEP, or 1000 at 100% duty cycle. I would not run it more than 500 Watts, but that is because I am very conservative. I would have liked to have it be good to 2 KW at 100% duty cycle, but alas, it is not. I called and ordered the antenna. It arrived a few days later in the package you see on the left and above. Continue reading »

Categories: Antenna Reviews, Construction, Info, NI4L: 7 Band OCF, Reviews, Station | 10 Comments