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Television Antennas :   The difficulty receiving modern HDTV signals in my area...
Peltor Headset Mod.

Aeronautics
Aeronautics (RC)
Building A Low Cost Trainer.

Radio
Ten-Tec Corsair 560 Repair Notes.

Environmental Monitoring/Telemetry
BBWM
Stage Height Measurement
Encoders (Handar 436)
RF Telemetry
Belfort Rain Gauge

Digital Signal Processing (DSP)
Fourier Transform
Sampling

Mathematics
Imaginary Numbers
Square and Square Root

Migration Planes
Migration Plane (Gannet)
Migration Plane (Blue Foam)

Trainer Build
- Cutting the main blocks from stock
- Reinforcement
- Asmbl. Main Wing
- Direct Drive Ailerons
- Simple Ailerons
- Fslg. Rnfc.
- Tail Surfaces.
- Motor & Avionics.

High Altitude Ballooning

Practical Solar System Travel.