mfj-869 giant wattmeter Published 8 years ago • 4.6K plays • Length 8:46 Download video MP4 Download video MP3 Similar videos 4:08 testing mfj wattmeters mfj-869 and mfj-891 11:21 review of the mfj-1026 noise canceler 8:25 ham radio basics--what wattmeter 7:37 mfj-891 swr / watt meter unbox and testing.