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Sinewave · 26th Dec 2019, 10:00 pm

So, it sort of works. The ALC is certainly doing something, but the levels I can't be sure of at the moment as the presence of any RF may be why Marconi are specifying that this measurement needs to be done with the valve volt meter.

My valve volt meter (Marconi TF1041C) is out of calibration, it does need some work doing to it, but I can roughly gauge that it is giving different results in these areas, but can't be certain of the actual reading, so at some point I will need to sort that out.

26th Dec 2019, 10:00 pm	#153
Sinewave Octode Join Date: May 2016 Location: Oxfordshire/Bucks borders, UK. Posts: 1,604	Re: Marconi TF144H/4S So, it sort of works. The ALC is certainly doing something, but the levels I can't be sure of at the moment as the presence of any RF may be why Marconi are specifying that this measurement needs to be done with the valve volt meter. My valve volt meter (Marconi TF1041C) is out of calibration, it does need some work doing to it, but I can roughly gauge that it is giving different results in these areas, but can't be certain of the actual reading, so at some point I will need to sort that out. __________________ Avometer, vintage Fluke and Marconi collector. Also interested in vintage Yaesu and KW.