OPTIBEAM ANTENNAS FROM GERMANY - ENGINEERING AT IT'S BEST
OB1-40 40m rotary dipole
Unique low-VSWR direct feed system
Click here for photos of the excellent mechanical construction
| Bands | 40 |
| Gain (dbd)* | 0
|
| Gain (dbi)** | 7.2 |
| F/B (db) | 0 |
| Elements | 1 |
Bands - 40m
Gain (dbd)* - 0
Gain (dbi)** 7.2
F/B (db) 0
SWR Europe Setting: 7,00 - 7,05 - 7,10 = 1,2 - 1,1 - 1,3
SWR USA Setting: 7,00 - 7,16 - 7,30 = 1,7 - 1,1 - 1,7
Elements (number) - 1
Max. Elementlength (m) - 14,60
Boom length (m) - 0
Turning Radius (m) - 7,30
Feedlines (number)- 1 Coax 50 Ohm
Weight (kg) - 11
Windload at 130km/h - 250 N / 0,31 m² / 3,4 feet²
Price - please contact us.
* = 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