Sample Rate and Bandwidth Calculator - Handy calculator for determining bandwidths and optimum sampling rates for
subsampled IF digitizing.
Klingenfuss Publications and Radio Monitoring
Monitoring Times Radio, Electronic, and Military Glossary - Comprehensive Glossary.
ARRL Technical Information Service - Lots of amatuer radio technical information about HF signals.
NewWave Instruments Spread spectrum reference material - Links to many good references about spread spectrum.
NewWave Instruments LRS Sequence Tutorial - Excellent tutorial on linear recursive sequences (LRS), including comprehensive maximal length tap settings for LRS generators.
ITU Publications - Source for International Telecommunications Union (formerly known as CCITT) standards documents. For example, the standard framing for CEPT Level 2 signals is found in Document G.745. You must first register to download these documents. You can download three documents for free after registration, after which there is a fee to download additional documents.
US Signal Allocation Charts - US allocaiton of RF signals from 3 KHz to 300 GHz
The Scientist and Engineer's Guide to Digital Signal Processing -All the classic DSP techniques: Convolution, Recursion, Fourier Analysis...
