100 REM calculated load capaciatnce for long wire antenna though the HF bands
  120 REM inductance to wire is 300nH / metre length
  140 l = 15 * (300 * 1E-9)
  150 beta = 2.5
      
  200 FOR f =1 TO 30
  300   c = ( beta^2) /( (2* PI * (f * 1*1E6))^2 * l)
  400   PRINT TAB(1);c*1E12;" pF";TAB(30);" frequency = ";f;" MHz";TAB(50);"  inductance = ";l*1E6;"  uH";TAB(80);" beta = ";beta
  500 NEXT f