Antenna Library/Communication/High-Power LHCP Resonant Spiral
CAD Geometry • SPIRALSTEP / SolidWorks AP214
3D CAD•3D CAD SOLVER MODEL
Archimedean Dual-Arm Feed
±0.001 mm CAD

Computational Verification

Primary SolverCST Studio Suite
Numerical MethodFDTD
Validation StatusSimulation only
Mesh Cell Count14 Million
Simulation Runtime2.8 Hours

Package Deliverables

  • Touchstone .s1p
  • Far-field patterns
  • CAD STEP
  • Report PDF
Bilateral NDA Standard & Air-Gapped Compute

Custom installed studies and platform integrations are executed on dedicated on-premise compute nodes under bilateral mutual non-disclosure agreements.

CommunicationSimulation only

High-Power LHCP Resonant Spiral

Tuned 400 to 450 MHz high-power left-hand circular polarized (LHCP) spiral antenna for UHF SATCOM uplinks and tactical ground control.

Calibrated Solver Results

Band: 400 MHz – 450 MHz

Detailed S-parameter sweep & 3D polar matrix available upon request package generation.

Antenna Specifications

Operating Band
400 MHz – 450 MHz
Antenna Geometry
Cavity-backed planar spiral with high-power coaxial balun
Peak Realized Gain
6.5 dBi
Max VSWR
1.8:1
Radiation Efficiency
84%
Polarisation
LHCP
Target Platforms
Tactical, UAV/Drone
Mesh Model
14M cells

License Model or Request Custom Platform Study

Add this antenna model to your request basket to license the validated simulation archive, re-simulate with custom material parameters, or order a vehicle/mast installed-performance study.