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Vintage Amateur and Military Radio Amateur/military receivers and transmitters, morse, and any other related vintage comms equipment.

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Old 3rd Jan 2019, 9:39 pm   #1
John KC0G
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Join Date: Mar 2009
Location: Minneapolis, Minnesota, USA.
Posts: 275
Default Racal MA.108B

There was a post here recently from a new member who was looking for information on the Racal MA.108B Antenna Matching Unit. The forum rules were not followed, and the thread disappeared.

On page 97 of "The Racal Handbook - a review of Racal Communication Equipment, 1956-1975", Rinus Jensen states that the MA.108 was a 3kW Wideband HF Matching Transformer for the range 2-30 MHz. It matched from 52 ohm unbalanced to 600 ohm balanced, eg from a coax transmission line to a rhombic antenna.

I imagine that the MA.108B was very similar.

There was also a MA.216 which matched from 70 ohm unbalanced to 600 ohm balanced.

73 John
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