For sure worth a try... since its boom length is similar to that of the 6 element FM-6, it *should* have similar gain. May be about as good as you can do these days without spending a ton of money on a commercial head end/translator antenna from Scala:
https://www.google.com/url?sa=t&sour...YftrTT1IyGbBXA
IIRC these industrial strength antennas were around 500 bucks 7 or 8 years ago, likely more now.
Dxers have also imported Kroner antennas, but I expect that would be very expensive as well.
http://ham-radio.com/k6sti/korn1512.htm
You could get lucky and find a decent used antenna... about 5 or 6 years ago, I spotted an old Radio Shack 10 element FM antenna that was disconnected, on a house that was about to be painted... they were going to throw it away. I was happy to take it down for them, and rescue a free antenna.
jr
edit add: This Scala log periodic antenna would be better for dxing than the Scala Yagi which is usually optimized for one frequency:
https://www.kathreinusa.com/wp-conte...FM-VRM-50N.pdf
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