Topband: Elephant Cage Antennas

donovanf at donovanf at
Fri Feb 10 17:11:06 PST 2012


A thorough history of the Wahiawa CDAA, and its context in the broader HF DF community is available at:

A photograph of the array is on Google Maps, enter this in the Google Maps search box:

21.52228 N, 158.01135 W


---- Original message ----
>Date: Fri, 10 Feb 2012 23:28:25 +0000 (UTC)
>From: N7KA at  
>Subject: Re: Topband: Elephant Cage Antennas  
>To: William Hein <bill.aa7xt at>
>Cc: topband at
>If one visits Oahu the opportunity to see another one does exist (probably easier to talk the XYL into a trip to HAWAII).   I did some work with the US Army on Oahu a few years back and did see the installation from a distance.  Its located in the NE corner of grid BL01xm, or -158.01135W, 21.52228N.  I used this map site to get the location info:    
>Arne N7KA 
>----- Original Message -----
>I would love to have one of the giant DF antennas!  Wow!  Makes a Four Square (or even a W0UN-style Nine Circle) array look anemic. 
>The James Bamford book on NSA "Body of Secrets" has many references to Elephant Cage rx arrays. 
>Here's a great picture of ANFLR-9 array: 
>The associated Wikipedia entry is interesting: 
>UR RST IS ... ... ..9 QSB QSB - hw? BK

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