RF Antenna Designer is the essential tool for amateur radio operators and RF engineers.
Antenna Design:
- Wire Antennas: Dipole, Inverted-V, G5RV, Windom, Zepp, Loop
- Vertical Antennas: Ground Plane, J-Pole, Slim Jim
- Directive Antennas: Yagi, Quad, Moxon
- Loop Antennas: Quad Loop, Delta Loop, Small Loop
- Wideband Antennas: Fan Dipole, Cage Dipole, Discone
RF Tools:
- Radio Horizon Calculator
- HF Propagation Guide
- Coaxial Cable Guide
- RF Unit Conversion Calculator
References:
- Frequency Allocation Table (HF, VHF, UHF, Maritime, Aviation Bands)
- International Q-Codes
- NATO/ICAO Phonetic Alphabet
- RST Scale
- Emergency Frequencies
Features:
- Works completely offline
- Dark terminal-style interface
- Support for metric and imperial units
- Multilingual (Italian, English, German, French, Spanish, Portuguese)
- No ads, no Tracking
Developed by IZ3GTH — 73!
Latest Version
1.7.0Uploaded by
Atmadeep Das
Requires Android
Android 8.0+
Category
Free Tools AppContent Rating
Everyone
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Flag as inappropriateLast updated on May 6, 2026
v1.7.0 — 6 new professional tools
• Noise Figure (cascaded Friis)
• Link Budget TX→RX
• EMF Safety (ARPA 6 V/m limits)
• Wire Gauge AWG
• Trap Calculator LC
• Log Periodic Antenna LPDA
+ 13 tools from v1.6.0: LC resonance, reactance, λ/4, stub, attenuator, coil, battery, wire loop, UTC, RF connectors, digital modes, CTCSS/DCS.