Low Profile Antenna AO556 Series
Description
Description
Applications
- Subscale Aerial Targets
- Data Link Sub System (DLS)
- Drone Flight Control Systems
- GRDCUS
- BQM-34
The slotted blade or “bent stub” antenna provides both vertically and horizontally polarized components of radiated energy. This feature fills in the antenna pattern hole typically exhibited by the 1/4 wave stub antenna. The “bent stub” also provides a vertically polarized component when the aircraft is in a steep bank attitude.
Scalable to other frequencies for nominal engineering fee. Add suffix letter “S” for stainless steel or “A” for aluminum configuration.
GRDCUS Antenna PN AO556-915S, NSN 5985-01-540-3343.
Standard Models:
AO556-915 frequency 915 ± 10 MHz
AO556-978 Frequency 978 ± 10 MHz
AO556-1365 Frequency 1365 ± 10 MHz
Electrical
Electrical
| U B Part Number | AO556-915A & AO556-915S | AO556-978A & AO556-978S | AO556-1365A & AO556-1365S |
| Frequency | 915 ± 10 MHz | 978 ± 10 MHz | 1365 ± 50 MHz |
| VSWR | 1.5:1 max | 1.5:1 max | 1.5:1 max |
| Gain | Essentially Isotropic | Essentially Isotropic | Essentially Isotropic |
| Radiation Coverage | Essentially Hemispherical | Essentially Hemispherical | Essentially Hemispherical |
| Power Handling | >100 Watts Average | >100 Watts Average | >100 Watts Average |
| Impedance | 50 Ohms | 50 Ohms | 50 Ohms |
Patterns
Patterns
-
- AO556-978S Roll
-
- AO556-978S Pitch
-
- AO556-915S Yaw
-
- AO556-915S Roll
-
- AO556-915S Pitch
Mechanical
Mechanical
| Weight |
AO556-XXXA (aluminum) = 2-1/2 ounces max AO556-XXXS (stainless steel) = 8 ounces max |
| Connector | TNC Type Jack |
| Finish |
AO556-XXXA – Gloss White AO556-XXXS = Passivated per QQ-P-35 or equal |
AO556-978
Environmental
Environmental
Meets requirements of Mil-E-5400, Class 1 for the following:
| Temperature | Par 3.2.24.1 (+260°) for AO556-XXXS |
| Altitude | Par 3.2.24.2 |
| Humidity | Par 3.2.24.4 |
| Vibration | Par 3.2.24.5 |
| Shock | Par 3.2.24.6 |
| Sand and Dust | Par 3.2.24.7 |
| Fungus | Par 3.2.24.8 |
| Salt-Sea Atm | Par 3.2.24.9 |
| Explosive Atm | Par 3.2.24.10 |
| Acoustic Noise | 153 Decibels |
| Airspeed | Mach 2.5 |
Related products
Data subject to change without notice. Contact U B Corp for the most recent engineering specifications.