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[MISC] PSK(미완)

Year
2020
CTF Name
Angstrom CTF
Category
MISC
Type
PSK

1. Description

My friend sent my yet another mysterious recording...
He told me he was inspired by PicoCTF 2019 and made his own transmissions. I've looked at it, and it seems to be really compact and efficient.
Only 31 bps!!
See if you can decode what he sent to me. It's in actf{} format
Author: JoshDaBosh

2. Write up

3. FLAG

actf{never_gonna_let_you_down}