- Pozar, Microwave Engineering. The modern standard. The textbook from which a generation has learned microwave.
- Collin, Foundations for Microwave Engineering. More advanced and rigorous than Pozar, especially on field-theory derivations.
- Liao, Microwave Devices and Circuits. A long-running classic with deep tube treatments.
- Annapurna Das & Sisir Das, Microwave Engineering. Clear and practically oriented.
- Steer, Microwave and RF Design. Multi-volume modern treatment with strong CAD integration.
- The ARRL Handbook.* Practical, ham-radio-flavored, hands-on. Less rigorous but immediately useful.
- Skolnik, Radar Handbook. Forward reference for Chapter 19; the radar bible.
- scikit-rf documentation.* Free online; the gateway to working with S-parameters in code.
section 17 of 171 min read