David Knight Ottery St Mary, Devon, UK.

From Transmitter to Antenna: HF power transmission theory and practice. AC theory, Components and Materials, Inductors and Transformers, Impedance matching, RF bridges.

Racal RA17: Receivers, Adapters, etc.	An EMC problem at the Norman Lockyer Observatory.
Using the SGC 230 'Smartuner' in a balanced antenna configuration.	Notes on the Kenwood TS430S HF Transceiver

Nixie Tube and 74141 application data. Digital Frequency Readout for Single-Conversion HF Radio Receivers.

The NLO HF X-Dipole Antenna. MFJ989C Versatuner modifications. Linear RMS Sensing Voltmeter and AM Detector. Hi-fi detector for AM Broadcast, By Bob Batey. TBA120 Series FM Demodulator ICs. Microwave Modules MML144/100-LS 2m Linear Amp. Links to related websites.

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Version 1.170, 21st June 2009 (1675 files, 66.7MB)