![Prosistel PST-DDR7 Double multiband trapped rotary dipole 10-12-15-17-20-30-40m Prosistel PST-DDR7 Double multiband trapped rotary dipole 10-12-15-17-20-30-40m](https://www.hamradioshop.it/2187-home_default/prosistel-pst-ddr7-double-multiband-trapped-rotary-dipole-10-12-15-17-20-30-40m.jpg)
![Prosistel PST-DDR7 Double multiband trapped rotary dipole 10-12-15-17-20-30-40m Prosistel PST-DDR7 Double multiband trapped rotary dipole 10-12-15-17-20-30-40m](https://www.hamradioshop.it/2187-home_default/prosistel-pst-ddr7-double-multiband-trapped-rotary-dipole-10-12-15-17-20-30-40m.jpg)
Ref: PSTDDR7
Last items in stockPST-DDR7
- Double multiband trapped rotary dipole 10-12-15-17-20-30-40m;
- Balun included : SO239;
- 2KW pep;
- Rotation radius : 6m;
- Weight : 18Kg;
- 6060T6 aluminium, stainless steel bolts
GENERAL SPECIFICATIONS:
- I earn: 0 dB
- Impedance: 50 ohm
- Front-side: approximately 15 dB
- ROS: within 1:1.5 (see graph)
- Boom length: 1m
- Rotation radius:
DDR5: approximately 3.95m
DDR6-30: approximately 5.30m
DDR6-40 and DDR7: approximately 5.95m
- Weight: from approximately 11 to 14kg, depends on the configuration chosen;
- Accepts mast: 48mm (standard) or 60mm (optional)
- Material: AL6060T6, stainless steel bolts.
ROS AND RETURN LOSS CURVES OF THE 7 BAND VERSION
Data sheet