i
Quelle/Source:
-
- 1/4 Wave Ground Plane Antenna Calculator
- youtube | Andreas Spiess | #291 External antennas and ESP32 Long-Range mode
- youtube | Andreas Spiess | #368 How to build performing antennas for LoRa, WiFi, 433MHz, Airplanes etc.(NanoVNA, MMANA-GAL)
-
- jcoppens.com - Quadrifilar Helical Antenna
- changpuak.ch - Quadrifilar Helical Antenna
-
-
- dipole-calculator
-
-
-
- Link to pdf file >> TheBasicsofQuadrifilarHelixAntennas.pdf
Quelle/Source:
-
- 1/4 Wave Ground Plane Antenna Calculator
- youtube | Andreas Spiess | #291 External antennas and ESP32 Long-Range mode
- youtube | Andreas Spiess | #368 How to build performing antennas for LoRa, WiFi, 433MHz, Airplanes etc.(NanoVNA, MMANA-GAL)
-
- jcoppens.com - Quadrifilar Helical Antenna
- changpuak.ch - Quadrifilar Helical Antenna
-
-
- dipole-calculator
-
-
-
- Link to pdf file >> TheBasicsofQuadrifilarHelixAntennas.pdf