S.3YH-127
3 element heavy-duty Yagi antenna 117 - 137 MHz
Description
- A 3-element heavy duty VHF Yagi antenna for VHF Aircraft Band applications.
- Produced to the highest quality standards, these robust antenna designs will ensure reliable operation in harsh environmental conditions.
- Former Skymasts brand product.
Specification
| Electrical | |
| Model | S.3YH-127 |
|---|---|
| Frequency | 117 – 137 MHz |
| Max. Input Power | 300 W |
| 3 dB Beamwidth, H-Plane | 84 ° |
| Polarisation | Linear (Vertical or Horizontal) |
| 3 dB Beamwidth, E-Plane | 62 ° |
| Impedance | 50 Ω |
| Gain | 6 dBd (8.2 dBi) |
| VSWR | < 1.5:1 |
| Front-To-Back Ratio | > 15 dB |
| Antistatic Protection | DC Grounded |
| Environmental | |
| Survival Wind Speed | 240 km/h |
|---|---|
| Ingress Protection | IP68 |
| Mechanical | |
| Connection(s) | N(f) on 3m RG213/U cable |
|---|---|
| Materials | Boom – 48 mm dia. x 4.5mm wall aluminium tube Elements – 19.1 mm dia. aluminium tube Balun housing – GRP |
| Length | Approx. 1990 mm / 78.35 in. |
| Historic Brand | Skymasts |
| Wind Load | 204 N (160 km/h) |
| Weight | Approx. 8.1 kg / 17.86 lb. |
| Mounting Bracket | 0300284/00 (Ordered Separately) |
| Balun Encapsulant | Polyurethane Resin U-600 |
Ordering Codes
| Model | Product No. |
|---|---|
| 3 element heavy-duty Yagi antenna 117 – 137 MHz | S.3YH-127 |
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