PL-259 Connectors on RG-400 or RG-58 Coax Cable

Tickling The Dragon's Tail

McIntosh MC225 Quick Review

T/R (Transmit/Receive) Switch External Control Box For "SEND" Connections

Bird Power Analyst 4391 Quick Overview

Building A Demodulator To Monitor AM and SSB Transmissions

Grounded Grid, Class-C, Plate Modulated AM Transmitter Using Eimac 3-400Z High mu Triode

General Radio (Genrad) Model 1666 Precision DC Ohm Meter

Fender Blue Junior III "tinnitus" Issue

Stereo Williamson 7591 Amplifier Repair

Plate Modulating The Mighty 833A

Checking Modulation On An AM transmitter Using Two Different Speech Amplifier Drivers.

High Voltage Megger Used To Check Capacitors

Radio Transmitter High Voltage Transformer Repair/Replacement

Svetlana SV572-10 SET Amplifier Before Rebuild

Vacuum Tube Gain & Gm Calculations & Some Insight Into Transformer Inductance and Impedance

Heathkit WA-1 Audio Amplifier Performance Using 5V4, 5U4, Solid State & Mercury Vapour Rectifier

Revisiting the McIntosh MC40 Amplifier

Mercury Vapor Rectifiers and Hash

Cleaning RCA Connectors And Vacuum Tube Sockets

First Attempt at Hydrogen Line Detection at 21 CM

Moon Test

Moon Test 8-6-2022

A First Radio Telescope For The 1.42 GHz Range

Microwave Antennas & 21 cm Radio Telescope (1420 MHz)

1.42 GHz Hydrogen Line Resonate Frequency Radio Astronomy & The Search For ET

For My Marilu

AM (Amplitude Modulation) Radio Transmitters From The Ground Up

Checking Out Some Beautiful Eimac 304 TH Tubes

Williamson Stereo Amplifier Using 7591 and Stereo 300B Amplifier Compared