Coaxialcoils for 9 bands aerial |
Coil diameter |
Turns |
Coaxial length |
Coax type |
Frequency |
50 mm |
2.5 - 1/1 open |
45 cm. + soldering |
RG 223 /U |
28.850 MHz |
50 mm |
5.0 - 1/2 open |
88 cm. + soldering |
RG 223/U |
14.175 MHz |
50 mm |
9.0 - tight |
158 cm. + soldering |
RG 223/U |
7.050 MHz |
50 mm |
16.0 - tight |
280 cm. + soldering |
RG 223/U |
3.650 MHz |
50 mm |
24 - tight |
357 cm. + soldering |
2 mm CUL |
1.940 MHz |
50 mm |
3.0 - tight |
54 cm. + soldering |
RG 223/U |
24.175 MHz |
50 mm |
|
|
RG 223/U |
21.175 MHz |
160 meter is combined with an extension-coil made from 2 mm CUL thread |
1/1 open means winded with a gab, the size as the thread diameter |
"xx cm. + soldering" means the non insulated lenght |
RG 223/U is a slightly better type than RG 58 |
This is the coils center resonans frequency |
In case you've got questions, feel free to contact me---- |
Regards |