Nautical Research Journal


square tubes sticking up from the radio room are trunks for the aerial leads. (Figure 102)


Radar


T is weapon, arguably more than any other, turned the tide of war against the U-boats. Canadian corvettes were initially fi tted with the Canadian- designed SW radar operating on the 1.5-meter wavelength, installed into the offi cer’s washroom space and connected to a manually rotated Yagi


antenna atop the mast. Photographs show Chicoutimi mounting it in the fi rst half of 1942. By 1943 most Canadian corvettes were fi tted with the very eff ective British Type 271 10-centimeter search radar on the bridge. I used Wikipedia drawings to build an accurate replica.


171


106. T e enclosure aſt er fi nishing, with the antenna assembly. Note the separate transmitter (upper antenna) and receiver (lower antenna).


104. Wrapping the eight- sided plywood strip around the antenna base.


105. T e antenna enclosure being trial fi tted. It will be fi nished before the glazing and exterior framework go on.


107. T e front side of the antenna assembly, showing the two separate antennas mounted one over the other.


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