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SP3L's Antennas
Home Page
Broadband HF Antennas
CEDs - Converging-Element Doublets
SEDs - Spreading-Element Doublets
BDAs - Broadside Doublet Arrays
EFDAs - End-Fire Doublet Arrays
Multi-Loops
Cat Whiskers
Broadband Multi-Loop Doublet
BMA - Broadside Monopole Array
CEMs - Converging-Element Monopoles
Manta Ray
CEGPs - Converging-Element Ground Planes
LPi - Wideband End-Fed Antenna
Single Band HF Antennas
SCV - Self-Contained Vertically Polarized Antennas
Cobra & Derivatives
E-3 Antennas
DEWD & Derivatives
1/8 Wavelength Mini Dipoles
DC-Grounded Half-Wave Vertical
Multi-Band HF Antennas
5-Band Cobweb & Modifications
5-Band E-3 Diamond
Multiband Mini Dipole
SFP Cubical/Diamond Quad
SFP Mutli-Dipole
9-Band Spider Doublet
Miscellaneous
Practical Isotropic Radiators
Collection of Ununs
Simulating Transformers in 4nec2
Toroidal Ferrite Core Inductor Calculator
Simulating Common-Mode Current in the coaxial feedline
Catalog of Baluns & Ununs Equivalent Circuits
Baluns & Ununs Performance Charts
Add a Panadapter to an Older-Generation Transceiver
Diamond Match Calculator
Technical Notes and Excel Tools
SP3L's Antennas
Miscellaneous
Other topics that do not fit into regular categories.
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