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The dipolo cushcraft D-3 and D-4 are multi-umband dipoli for the pole assembly. {
a classic dipole always has 2 favorite directions. Often the opposite station is located just outside of this area. However, these antennas are rotating and so that they can choose the right direction. {
{Both working antennas on 14/21/28MHz. The Cushcraft D-4 will be additionally working on 7MHz too much. For more information, see the table below. {
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technical characteristics
{| model | D-4 |
|---|---|
| Frequency Range [MHz] | 7/14/21/28 |
| Gain (DBD) | |
| F/B (DB) | |
| SWR | ≤ 2: 1 |
| max. Power (Watt) | 1500 |
| Boomlength (M) | - |
| Boom Diameter (cm) | - |
| Elements Length (m) | 10.92 2 |
| TURNING RADIUS (M) | |
| Wind Load (M²) | 1.3 |
| Mast Size (MM) | 32-50 |
| Weight (Kg) | 6 |