[MRCA] Identifing antenna part

[KD2GIY]

Hello all,
I just acquired an old antenna set but not complete.. I don't have the
spool.
You can see from the pictures that it comes with a spool that looks like it
winds up two separate wires I believe..
What is the spool wire for? Is it coax going to the radio? Is it a ground /
counterpoise for the antenna?
I have everything but the spool.
I found the video online of a gentleman I believe part of mrca around 12
years ago operating a tbx-4 with the antenna in question.
Here is that video
https://youtu.be/rU-bqz0xR98?si=4BTODD0uRniLoQvP

Also check out the pictures.

Thanks in advance...

Best regards
Dave
KD2GIY
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