|[AMRadio] Monitoring Modulation Accurately|
bcarling at cfl.rr.com
Sat Nov 16 13:09:28 EST 2013
Yeah we wouldn't want you to get a ticket for exceeding 1500 watts pep out, although I seriously doubt anyone is checking. My two 3-500Zs will only do 1500 out so I am in good shape.
> On Nov 16, 2013, at 11:53 AM, rbethman <rbethman at comcast.net> wrote:
> Donald Chester pointed it out pretty well hitting it on the head.
> Our Peak Reading Bird watt meters aren't going to be all that accurate. Whom has taken and sent theirs back to Bird for calibration?
> I run the BC-610. I have to rein it in every time I light it off. It allows 300cps through 4000cps through the audio chain, and if set by the manual, it will far exceed the 1500 PEP. I was stunned to see it break 2500W PEP when I got the Bird. The Heathkit dual meter with peak reading was absolutely useless. Sold it after getting the bird.
> So, as one other pointed out, I feed the 455KC if out from either an R-390A or SP-600 to my SM-220 with BP-8. I see what is coming in on receive, and see what my TX signal looks like. That's AFTER throttling the Speech Amplifier to stay close to 1500W PEP.
> Where am I actually at? I haven't any better clue than anyone else does! I know that I'm somewhere in the ballpark. I haven't had the FCC holler nor any OO slips.
> You pays your money and takes your chances!
> Bob - N0DGN
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