Gander - Satellite Images 
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July 2007: General view of Gander airport and vicinity. Area 1 was the Old Site. Area 2, the site of the CDAA, was the former home to 770 Comm Research Squadron.  (Image by Google Earth)
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July 2007: The CDAA is shown as an obstruction at 570 above sea level (ASL) on the Gander approach plate. The field itself is 460 feet ASL. That means the masts in the inner ring are 110 feet high. Once a bustling hub of activity, there were only two vehicles in the parking lot the day the photo was taken.  (Image by Google Earth)
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July 2007: 'X' marks the spot of the old Operations Building. Other than the three PMQ's in the lower center of the photo, the remainder of the Old Site structures have been razed.
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This is a clearing for a Beverage receive antenna which operates in the lower part of the HF band, maybe no higher than 5-6 MHz. Masset has the identical setup.  (Image by Google Earth)

THE BEVERAGE WIRE ANTENNA

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A classic Beverage receiving antenna requires a lot of space. It is a long wire, one or more wavelengths long, mounted parallel to the ground at an approximate height of 6 feet and oriented in the direction of the desired reception. A nominal 9:1 balun is required at the juncture of the wire and 50 or 75 ohm coaxial feedline. The far end is terminated with a nominal 600 ohm resistance. The Beverage antenna is highly directional, responsive to low-angle signals, has little noise pick-up, and produces excellent signal to noise ratios. Properly designed Beverage receiving antennas are very effective across the entire HF frequency range.  (Graphic courtesy W8WWV)

Contributors and References:

1) Google Earth
2) Former Rad Tech who posted to Masset in the early 90s.
 

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Feb 17/08