references

1. Joseph M. Boyer, WGUYH, "The Multi-Band Trap Antenna," CO, Feb-
ruary. March, April, May, 1977, pages 26. 51. 46, 22 respectively.
2. Robert H. Johns, W3JIP. "Coaxial Cable Antenna Traps," OST, May.
1981, page tj.
3. R.P. Haviland, "Trap Antenna," HPLibrary Program 97-W766-2. Corvallis.
Oregon.