I’ve been using this some and I will say its worth considering adding this to your kit
HYS Yagi Antenna UHF 70CM 400-470MHz 100W 7dBi Collapsible Foldable 3 Elements Outdoor Antenna with Bracket Mount for Yaesu Midland Kenwood Motorola Baofeng Mobile Radio Transceiver https://www.amazon.com/dp/B083J3WB3R/ref=cm_sw_r_apan_i_BGYYK7PZBPV2RMFSXCNT
Wyoming Survival 
That looks alot like the folding antennas that I used to use with my Telemetric tracking collars
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Might be. I think it is still a little expensive for what it is but it does fold up nice and compact.
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