Antenna: Rancangan TRAP-dipole 40m 20m 15m 10m
Revision as of 15:42, 27 September 2012 by Onnowpurbo (talk | contribs) (New page: Sumber: http://degood.org/coaxtrap/ center|400px|thumb|cutaway view of trap connections Table 1. Specifications of the traps used in this antenna {| border="1" ce...)
Sumber: http://degood.org/coaxtrap/
Table 1. Specifications of the traps used in this antenna
| band | design frequency | trap form | coax length (shield intact) | coax turns (approximate) | actual frequency |
|---|---|---|---|---|---|
| 10 meters | 28.85 MHz | 1.375" OD (3/4" PVC coupling) | 20.25" | 4 | 28.5 MHz, 28.7 MHz |
| 15 meters | 21.225 MHz | 1.375" OD (3/4" PVC coupling) | 26" | 5.25 | 21.1 MHz |
| 20 meters | 14.175 MHz | 1.625" OD (1" PVC coupling) | 35.5" | 6 | 14.2 MHz |
| 30 meters | 10.125 MHz | 2.0" OD (1.25" PVC coupling) | 46.25" | 6.5 | 10.12 MHz |
| 40 meters | 7.15 MHz | 2.25" OD (1.5" PVC coupling) | 61" | 7.75 | 7.15 MHz |