NR770HA Roof Rack Mount Tests.jpg
By Lscott
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This is an SWR scan for a Diamond NR770HA dual band antenna with the UHF type mount. This particular one I picked up super cheap at a local Ham radio flea market. The testing was done on a roof rack type mount with 13.5 feet of RG-316 coax connected to another 10 feet of RG-8X mini coax. Your installation will likely measure a bit different.
The results don't look that particularly good compared to the Comet CA-2x4SR and the Diamond NR-240CA antennas. In an emergency It will likely work OK.
https://www.diamondantenna.net/nr770ha.html
Looks like another possible one just usable for Ham, MURS and GMRS use.
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