Antenna Performance Specialties APS-9B
Antenna Performance Specialties APS-13
Antennacraft FM6
Antennacraft FM10
Antennacraft FM13
Channel Master Stereo Probe 9
Denny's Antenna Service FM 2500HD
Finco FM-4
Finco FM-5
InnovAntennas FMDX-9
InnovAntennas 88-DES-14
Stellar Labs 30-2460
Triax FM 5
Triax FM 8S
Winegard HD-6000
Winegard HD6055P
Winegard HD6065P
Körner 9.2
Körner 15.12
Körner 19.3
Maximum-Gain Narrowband Yagi
High-Performance Yagis for 88–92 MHz
Small Five-Element Yagi
Home Depot Yagi
Metric Yagis
Tiny-Backlobe Log-Yagi
Vertically Polarized Yagi Stack
Circularly Polarized Cubical Quads
Circularly Polarized Crossed Yagis
Circularly Polarized Loop
Circularly Polarized Rabbit Ears
Elliptically Polarized Tilted Dipole
Omnidirectional Antennas
Parasitic Wire
Forward Gain & F/R Curves
88–108 MHz Baluns & Chokes
Antenna Notes


SSB Stereo Subchannel
Alternative Stereo Decoding Methods
Changing Hi-Blend to Flat Blend
Stereo S/N Penalty

HD Radio

HD Radio Self-Noise
HD Radio Self-Noise Levels
IF Filters and HD Radio Self-Noise
Postdetection Filters for HD Radio Signals
Harmonic Cancellers for HD Radio Signals
HD Radio Time & Level Alignment
HD Radio Audio Spectra


Sangean HDT-1
Sangean HDT-1X
Kenwood KT-880D
Technics ST-9030
Carver TX-11b
Pioneer F-90


RF Preamps
Eliminating Front-End Overload with RF AGC
Improving Selectivity with IF AGC
Accommodating Offset IF Filters
LC IF Filter
Simple IF Amplifier
Quadrature Multipath Monitor
Adding Tuner Multipath Outputs
Deemphasis Converter


Updating IEEE 185-1975
IEEE 185-1975 Bandpass Filter
Bob & Ken's Spectrum Inversion Trick
Measuring Noise Figure without a Noise Source
Simple RF Noise Source
Refurbishing the Wavetek SAM for 88–108 MHz
Updating the Sound Technology 1000A
Swept Front-End Alignment
Alternative IF/Detector Alignment
Modulation-Induced Noise
Axial Ratio Measurements
Matching 50Ω to 75Ω
Relating dBµ and dBf
A-Weighted S/N
Measurement Utilities

Beyond 88–108 MHz

How Much Distortion Can You Tolerate?
TV Antennas
DAB Yagis
Simple Wi-Fi Yagi
Enhanced OWA
Busting a Pileup
1926 Yagi-Uda Antenna
Vacuum Tube Radio Circuits
Optimizing Antenna Models with Coils
Hairpin Match Calculator
Coil Inductance and Q Calculator
HF Ground Constants
Ground Probe Calculator
Ground Probe Sampling Error
NanoVNA Port Impedance