I have acantenna type dummy load, made by someone else (blanking on the name).? I bought food grade mineral oil from a tack shop kmeant for horses).? Essentially medical grade but much cheaper.? The resistor has gone up in value somewhat.? It appears to be the same as the load in some antenna tuners.? Not sure what the correct value should be, this one is 57 ohms dc. Think it should be 50 ohms. Replacements are available.? Corundum used to make non-reactive 100 watt resistors of this type. Can dissipate a KW in oil. I
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-------- Original message --------
From: "Evan via groups.io" <k9sqg@...>
Date: 5/19/25 7:27 PM (GMT-08:00)
Subject: Re: [DRAKE-RADIO] "THE cantenna unveiled!
With mine, I used mineral oil as the coolant, and had the unit in a plastic pail to catch the "overage".
All this talk about the Cantenna reminded me that I have an unbuilt one
somewhere in my garage.? Maybe I should list it on ¡°That auction site¡± and
see what it will fetch.
?
Nope, think I¡¯ll build it to re-kindle that era.
?
Cheers,
?
Robb N?RU
