Looking for the components for Antenna System No. AS-81/GR, such as the antenna loops for the four different freqeuncy ranges (AT-27/GR, AT-28/GR, AT-29/GR and AT-30/GR); Vertical whip AN-45; Tuning unit C-98/GR; Or,perhaps you may know of a lead or resource that I could investigate also. Any assistance welcome. Thank you, Paul N3YHO