IIRC, that handheld has a bnc jack as the antenna port. If such is the case, I would recommend a 5/8 wave loaded coil antenna with an NMO base connector to a magnetic mount base running RG-58/u coaxial cable no more than 15 feet long to a N-male plug. The N-males provide superior shielding at the connector and are a push on fit for the bnc female. The 5/8 wave seems to do a pretty good job at VHF and really brings in the weak signals well, plus it provides over 6db gain for transmit when the whip is cut to the correct length. That setup isn't too expensive.

If all you want is just a good receive antenna and you aren't going to transmit, then spool out 8 feet of 20 gauge solid copper wire, suspend it vertically and stick the end in the center pin receptacle of the antenna jack. You may have to trim the length a little to find the sweet spot, but it should be somewhere between 7 1/2 and 8 feet length for that frequency range.