NVIS

About NVIS antennas - What is NVIS Near Vertical Incident Skywave

NVIS Antennas - Kv5r Understanding NVIS Antennas and Propagation

NVIS - What it is and how to use it - Article on NVIS antennas By Patricia Gibbons - WA6UBE

40 m NVIS Square Loop antenna - A NVIS square loop antenna with a parasitic reflector for 40 meter band by NA4L

40 Meter NVIS antenna - Near Vertical Incidence Skywave (NVIS) and the 40 meter Novice Sub-band.

About NVIS antennas - What is NVIS Near Vertical Incident Skywave

Comparing HF Wire Antennas for NVIS - How to make the most of simple wire antennas. EZNEC help to compare the performance of a wire dipole antenna in various configurations

Lowering NVIS antennas - Lowering an NVIS or N.V.I.S. antenna very close to the ground enhances NVIS operation

Near Vertical Incident Skywave Antenna - W0IPL article on NVIS Antenna

NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.

NVIS - What it is and how to use it - Article on NVIS antennas By Patricia Gibbons - WA6UBE

NVIS antenna design - Theory, Modeling, and Practical Applications By W5JCK, presentation in PDF File

NVIS Antennas - Kv5r Understanding NVIS Antennas and Propagation

NVIS Antennas and Propagation - Understanding Amateur Radio NVIS Antennas and Propagation

NVIS Antennas Yahoo group - Group with thousand of memebers focused on NVIS antenna

NVIS on Google Groups - Search for NVIS on google groups

NVIS Propagation concept - Army Field Manual 24-18 Appendix M with Graphics

NVIS: Near Vertical Incidence Skywave - Introduction to NVIS advantages and disvantags.

Super Gain NVIS antenna - A 40 meter NVIS beam antenna by W4NVK