| Unique in the world: |
| 6 bands – no traps – 1 feedline – no tuning – perfect performance The new version of the OB12-6, even better, even more unbelievable |
| OB12-6 | 12 Element, 6 Band | ||||
| Bands | 40 / 20 / 17 / 15 / 12 / 10 | ||||
| Gain (dBd) * | 3,5 / 4,2 / 4,3 / 4,6 / 5,0 / 5,7 | ||||
| Gain (dBi) ** | 10,3 / 11,6 / 11,9 / 12,3 / 12,7 / 13,5 | ||||
| F/B (dB) | 15 / 13 / 14 / 16 / 18 / 26 | ||||
| VSWR | |||||
| 40 m CW/Europe setting: | |||||
| 7,00 – 7,05 – 7,15 | 1,6 – 1,1 – 1,8 | ||||
| 40 m USA phone setting: | |||||
| 7,15 – 7,20 – 7,30 | 1,6 – 1,1 – 1,8 | ||||
| 14,00 – 14,18 – 14,35 | 1,4 – 1,2 – 1,4 | ||||
| 18,07 – 18,13 – 18,17 | 1,5 – 1,1 – 1,2 | ||||
| 21,00 – 21,25 – 21,45 | 1,5 – 1,1 – 1,2 | ||||
| 24,89 – 24,94 – 24,99 | 1,5 – 1,1 – 1,2 | ||||
| 28,00 – 28,50 – 29,00 | 1,5 – 1,2 – 1,7 | ||||
| Elements (number) | 12 | ||||
| Active Elements | 2 / 2 / 2 / 2,5 / 3 / 3 | ||||
| Max. Elementlength (m) | 14.68 | ||||
| Boomlength (m) | 6.1 | ||||
| Turning Radius (m) | 7.95 | ||||
| Feedlines (number) | 1 Coax 50 Ohm | ||||
| Weight (kg) | 65 | ||||
| Windload at 130 km/h | 1.504 N / 1,88 m² / 20,3 feet² | ||||
| Price *** | 2.579,00 EUR | ||||
| * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dbd, 3 el 5-6 dbd | |
| ** = average gain at 20m above ground (= dbd + 2.15 db isotropic + about 5 db ground reflection) | |
| *** = outside EU minus 19% tax – subject to change | |
See More : http://www.optibeam.de/
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Testing out an LNR 10-20-40 MKII end fed antenna matchbox with a 30 meter wire on the WSPRlite Antenna Performance Analysis System (WSPR beacon). Received some surprise DX today on 30 meters – though Ionosonde charts showed horrible conditions for the day, lesson learned, surprise DX can happen at any time! Read more
Radio amateurs once were the target of interference complaints filed with the FCC. Now, the FCC has made it easier for hams to file their own RF interference and other complaints, thanks to a new feature of the FCC’s recently redesigned website. The addition was made at the ARRL’s request. Hams have always been able to […] Read more
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