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On Mon, 30 Aug 2004 01:04:57 -0400, "Tim Perry"
wrote: "Walter Maxwell" wrote in message .. . snip I was just about to tell you what I use, but Richard, above, beat me to it. For HF measurements this bridge, the General Radio 1606-A, is the Cadillac of all bridges. It 's been the bridge of choice for nearly every AM broadcast engineer in determining t he impedance of AM broadcast antennas since it came on the market in 1955. i have yet to see one at a US broadcast station. the meter that is usually found, and used is the delta OIB-1 or OIB-3 http://www.deltaelectronics.com/data/oib1&3.htm Hi Tim, I can't disagree with you here, because my knowledge is from several years back. I'm not familiar the Delta except by reputation--all I've heard is that it's a good instrument. The demise of General Radio is probably one reason the GR instrument is no longer the instrument of choice, so the dividing line between use of the GR and the Delta probably defines the end of one era and the beginning of another. Walt, W2DU |
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