- BPSK Basics An introduction to Binary Phase Shift Keying. (12/7/98)
- Wolf for Beginners Notes on using KK7KA's WOLF weak-signal mode. (3/11/01)
- Simple LowFER Transmitter Easy way to get started on LF. (11/10/98)
- awg-coil.zip Calculates wire diameters and loading coil properties. (1/10/98)
- grt-cir.zip Excel and Works spreadsheets to calculate bearing and distance between la
- High-Gain Preamp Works with loops from LF through the low HF range. (Remote-tuned loo
- A Clamp-On RF Current Probe Measure RF current from 100 kHz to 10 MHz
- Using a PC as a Beacon Message Generator
- A PC-Based Frequency Synthesizer Another use for that old PC.
- The LEK LowFER Antenna Picture and description.
- Listening for LowFERs, Part 1 Longwave receiving antennas
- Listening for LowFERs, Part 2: Sights and sounds
- A Tunable LowFER Test Transmitter
- Computer Modeling of LowFER Transmitting Antennas Using MININEC for LF antenna design
- MFJ-259 analyzer modifications by Dave, WB6VKH -- extends range down to 100 kHz
- Balanced Loop Preamps - More high-gain remote-tuned preamp designs
- All-In-One Transmitter - Synthesized LowFER transmitter with built-in BPSK/CW keyer
- Epson Programmable Crystal Oscillators - A brief test report
- Solderless Homebrew Projects Using solderless breadboards for homebrew circuits
- Comparison of Weak Signal Techniques for LowFER Beacons
- Audio Beacon for the Blind
- The K0LR version of the ZL1BPU exciter.
- "Lightweight" LowFER Verticals
- A LowFER Receiver Using a "Software" IF