Free Downloads

* Here is a program that can be used as an RTA. It is freeware. No Doc and No Support.
* Non Calabrated RTA program Version 4.2

* Non Calabrated RTA program New Version 5.1.6 Now setup with 1/3 octave filters and other new features- Still freeware. (This version corrects a problem with version 5.0)

Spectrogram version 5.1.6 is now available for download. Version 5.1.6 combines the features of all previous versions and adds the following improvements.
-Complete user control over color scale
-Increased sensitivity to low-level signals
-New 1/3 octave processing option
-Adjustable frequency-amplitude calibration
-Automatic record triggering by signal level
-Single spectrum plot capability at any spectrogram point
-Scanning improvements allowing image printing and saving
-Capability to save images as either jpeg or bitmap files
-Cursor offset and adjustable display update for radio amateurs
-Voice pitch detection for singing instruction
-Improved data logging
-Completely updated Help File