| 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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Radio hams asked for LightSail reports Jason Davis @jasonrdavis reports that LightSail, call sign KK6HIT, started deploying its solar sail at 1947 UT on June 7, 2015 A fully deployed sail would result in LightSail’s orbit decaying rapidly with the satellite burning up in the atmosphere potentially within a matter of days. Amateur radio operators around the world […] Read more
ARISS APRS TestingThe ARISS team has been working very closely with NASA and ESA to identify potential ARISS radio anomaly causes and resolve the radio issues that were observed after the EVA (spacewalk) conducted on January 27. During this spacewalk, cabling was installed to support the commissioning of the Bartolomeo attached payload capability mounted on […] Read more
George shows us how to make a ‘Lineman’s Splice’. Emile introduces us to his Ubiquiti Wireless Point-to-Point bridge. Tommy benchmarks the various models of the Raspberry Pi with some interesting results. And Peter presents the Raspberry Pi 4?? Read more
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