S.4Y-127-4
4 stack, 4 element Yagi array 117 - 137 MHz
Description
- A four stack, 4-element VHF Yagi antenna array for VHF extended range airband communications.
- Produced to the highest quality standards, these robust antenna designs will ensure reliable operation in harsh environmental conditions.
- Former Skymacasts brand product.
Specification
| Electrical | |
| Frequency | 117 – 137 MHz |
|---|---|
| Max. Input Power | 500 W |
| 3 dB Beamwidth, H-Plane | 75 ° |
| Polarisation | Vertical |
| 3 dB Beamwidth, E-Plane | 15 ° |
| Impedance | 50 Ω |
| Gain | 12.5 dBd (14.6 dBi) |
| VSWR | < 1.5:1 |
| Mechanical | |
| Connection(s) | N(f) |
|---|---|
| Mast Aperture Required | 9.6m |
| Historic Brand | Skymasts |
| Wind Load | 810 N (160 km/h) |
| Weight | Approx. 21 kg / 46.30 lb. |
Ordering Codes
| Model | Product No. |
|---|---|
| 4 stack, 4 element Yagi array 117 – 137 MHz | S.4Y-127-4 |
Diagrams
RADIATION PATTERNS
E-Plane | 127 MHz
RADIATION PATTERNS
H-Plane | 127 MHz
PROCOM A/S reserves the right to
amend specifications without prior notice
PROCOM A/S • Smedetoften 12
DK 3600 Frederikssund • Denmark
Generated : 2026-06-28
Version 1