| 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/
“The CQ World Wide DX Contest Committee is making a concerted effort to crack down on cheating. After disqualifying more than 50 logs from the 2014 contest and banning one station from competing for the next five years due to alleged “log padding” – or adding contacts that were never made – the committee said […] Read more
From the hills of Tennessee, Kirk Pickering, K4RO, operates a SO2R, single operator 2 radio, contest station and makes over ten-thousand contacts a year. Using Beverage antennas, Kirk is able to operate 160 meters, the “top band”, as solar cycle band conditions fade. Kirk is Eric, 4Z1UG’s, guest on QSO Today. Show Notes: http://www.qsotoday.com/podcasts/k4ro […] Read more
by Ivo Klinkert, PA1IVO “A Multi-purpose Portable Setup – Working low-earth orbit satellites from any place Only a relatively simple setup is necessary to use amateur radio low-earth orbit satellites. The design of a portable setup is described here, together with some experiences and rationale. The current fleet of operational AMSAT satellites consists solely of […] Read more
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