[TenTec] OT: Indoor Antenna

[Dr. Gerald N. Johnson]

Target is 5 ohms but it often takes two three or more rods to achieve 5 
ohms unless in a salt marsh swamp. Fresh water swamp land doesn't do as 
well. A 20 ohm ground is more typical.

73, Jerry, K0CQ

On 12/3/2010 7:52 PM, Stuart Rohre wrote:
> To put Steve's (G3TXQ) figures on a ground rod alone into a perspective
> hams can relate to, the target low impedance for 60 Hz AC ground rods in
> North America is 5 ohms.  A 28 ohm ground rod at RF is alomost six times
> worse!
>
> -Stuart Rohre
> K5KVH
>
>
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