OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,
RFI/EMI Solutions from KHz to GHz
Ferrite Slip On Bead, ID = .505in/12.8mm, Mix 31, 1 piece - very useful for making feed line chokes for RG-213 (1/2") coax line.
These beads fit well on 1/2" coax cable and make excellent sleeve chokes (See BA-8-5 for sample graphs pf effectiveness)
212 pieces/case