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Well maybe if you want to split hairs between 30% and 31% you could call it ball parking but actually using a sine wave and using the reticles on the scope screen is quite accurate. I used to have to do it and be accurate every time I installed a new set of modulator tubes in a transmitter but most of the time it was using program content and not a sine wave. A bit harder but a good scope display and a darkened room helped a lot. In any event we are talking CB radios here and for 99% of the time ball parking is closer than most operators will ever need anyway especially with a variable gain at their fingertips.

[QUOTE="Captain Kilowatt, post: 576163, member: 39"] Well maybe if you want to split hairs between 30% and 31% you could call it ball parking but actually using a sine wave and using the reticles on the scope screen is quite accurate. I used to have to do it and be accurate every time I installed a new set of modulator tubes in a transmitter but most of the time it was using program content and not a sine wave. A bit harder but a good scope display and a darkened room helped a lot. In any event we are talking CB radios here and for 99% of the time ball parking is closer than most operators will ever need anyway especially with a variable gain at their fingertips. [/QUOTE]

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