Amateurfunk amateur radio info
licenced 1967, 44 years inactive
"confirmed" means confirmed by corresponding QRZ.com-logbook entry.
Most QSOs are confirmed by other QSLs like eQSL, paper, LoTW, ClubLog and HRDlog.
| Optimized antenna cable length:
between Antenna/Balun and "tuner"
|you must multiply by real velocity factor, eg. by 0,66 or 0,83|
|bands||hint: data sheet value may be inaccurate +-10%
It shall be allowed to add cables with different factor but all 50 Ω.
|10,12,15,17,20,30,40,80||cw||42,17 m (with one 0,83 cable: 35,00 m result)|
|Cable must not be Lambda/4 and 3*Lambda/4 and 5*Lambda/4 etc.
Measure the cable ELECTRICALLY (TDR or with griddipmeter) before cutting.
If your antenna is always perfect SWR 1:1 (50 Ω load) at the plug, then you dont worry about the cable length.
But when you need a "tuner" and the tuner is not close to the antenna, then you shall take care about
reflections in the cable.
Optimizing program DG0KW 1.3.1 used. No liability and no warranty is given for the accuracy of the numbers by OE5FGL.
...have a look at: NS6T GREAT CIRCLE MAKER