RF ToolBox 5.0.0 has been released

[ChrisSmolinski]

RF Toolbox is an antenna design and electronics/electrical tool package for Windows and Macintosh. It takes you step by step through the design of the many types of antennas, as well as numerous radio and electronic calculations.

More information, as well as downloads, can be found here: http://www.blackcatsystems.com/software/electronics-antenna-design-software.html

Antennas:
Dipole
Fat Dipole
Yagi
Long Yagi
J-Pole
Super J-Pole
Log Periodic
Cubic Quad
Vertical 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, and full wave
Helical

It also performs the following calculations:
Transmission Line Calculator
Coil Design
LC Filter Design
Transmission Line Loss
L Matching Networks
Pi Matching Networks
Impedance Calculations
Wire Gauge and Resistance and Voltage Drop
Wire Inductance Calculations
dB Calculations
Resistor Series/Parallel Calculations
Resistor Color Code Calculations
Low and High Pass Butterworth and Chebyshev Filter Design
Thermal Noise Calculator
Pi Network Attenuator Calculator
Tee Network Attenuator Calculator
555 Timer Oscillator Calculator
RF Link Budget Calculator
Gamma Match Calculator
Skin Depth Calculator
Zender Diode Calculator
Parallel Line / Ladder line Calculator