Band    Length             Whip length [1]                     Best SWR

6m       3'11"  (120cm)    7 fully extended sections + 3"       1.3:1
10m      7'11"  (241cm)    9 fully extended sections + 3"       1.3:1
12m       9'8"  (295cm)    6 fully extended sections            1.4:1
15m      12'3"  (373cm)    8 sections + 2 1/4"                  1.1:1
17m      14'7"  (444cm)    4 sections + 1 3/4"                  1.1:1
20m      17'8"  (538cm)    9 sections + 1"                      1.6:1
40m      see [2]           9 sections + 2"                      1.1:1