Gerald Johnson's Web Pages

AIRSTREAM

1968 Airstream Caravel

FARMING

John Deere 4020 hydraulics fix

John Deere 4020 hydraulic manifold and step

MISSOURI 1817 CENSUS

Memorial and Resolution of the Missouri Territory

JOHNSON FAMILY HISTORY

Noble Johnson 1871 pension application

Family history notes

Family pictures around Buckhorn, MO

Some dicussion about Benjamin Johnson

AMATEUR RADIO

Story County Amateur Radio Club

Soldering 2013

Practical Antennas 2016

A frequency doubler for my HP-8640B

Instrument Corporation of Florida R 500 VLF Receiver

OE9PMJ millimeter wave filter

Papers

DOUBLE BASS

String tension measurements

String tension vs pitch

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Last modified February 5, 2016, K0CQ