N2PK The famous Vector Network Analyzer
PA3AKE Enjoy the excellent work on H-mode mixers,
Front-end filters and LO requirements.
F1FRV Take a look. I found his work on SWR bridges
CDG2000 Thanks to G8KBB, G3OGQ and G3SBI for the
design of a high performance transceiver.
OZ6FRS My local ham-club
Pic-a-star On Glenn`s pages is a lot of info - nice work