why TRF?

[John N. Ritter]

Was just looking at this massive boatanchor:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=150005276611&ssPageName=MERC_VIC_ReBay_Pr4_PcY_BID_IT

and wondered what advantage a TRF receiver could have over
a superheterodyne, at a time when superhets were a well established
technology.

Thanks for any responses,

John

K7VGF

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