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Subject: swr/power meters Thu Oct 31, 2019 5:09 pm
As above, but just how accurate are they. I have a small CRT combo meter and if what its telling me is true im very pleased with my 6900n its telling me a tad under 75w on FM and a tad over 40w AM. The user.s manual isn't much help I think it only list output for the low power model
Call Sign : 26-CT-3625 Posts : 26 Times Thanked : 3 Join date : 2019-09-03 QTH or Location : Mansfield Equipment Used : Yaesu FTDX 3000
Subject: Re: swr/power meters Thu Oct 31, 2019 7:11 pm
I doubt it's doing 75watts more like 40. is the meter insulated try a different location I can get my walky-talky power to go up or down just by placing it near computer or steel bench
Subject: Re: swr/power meters Thu Oct 31, 2019 7:31 pm
Hello Fletch, That's a good point mate, its about 10" from the radio ill try a longer patch lead, ?????? would a lead screen help I wonder.
Cheers Matey 70thirds
Subject: Re: swr/power meters Thu Oct 31, 2019 7:52 pm
Just tried it again. Meter 6ft from the radio sat on a wooden table 75 dropped to a scant 60 on FM but still showing 40 on AM, I guess the meter telling porkies Oh well least I don't need to keep turning it down
Call Sign : 26CT1319 Posts : 23 Times Thanked : 0 Join date : 2019-06-28 QTH or Location : Essex Equipment Used : I Don't Even Know... Age : 100
Subject: Re: swr/power meters Sat Nov 09, 2019 3:21 pm
You should be testing on a dummy load as well for the most accurate reading. A foot or two of patch lead should be just fine.
I agree here, I have a few meters that are very wrong on the antenna but read more of less correct when on a dummy load. While of course a meter that reads incorrect when on an antenna is no use at all in reality it does proove it's good to test on a dummy load before you start playing with radios etc...