Brian Jester

Welcome, check out my projects

ValueSlope: Stock Returns & Smoothness

Compare annualized price changes and return smoothness across S&P 500 stocks.

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ValueSlope chart comparing annualized stock-price changes and return smoothness

Castles of Okinawa: Travel Guide

Explore 12 Okinawan castles, with nearby attractions and food recommendations.

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Travel Guide: Castles of Okinawa

Fun Filipino Words and Culture: Tagalog-English Children's Book

Introduce children to Filipino words and culture with a bilingual Tagalog-English book.

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IndexFlip: Flashcards & Practice Tests

Study with flashcards and practice tests for Japanese, amateur radio, driving, music, and real estate.

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DMR QRZ: Digital Radio Contact Lookup

Find Digital Mobile Radio contacts by radio ID or call sign.

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Cabrillo Log: Amateur Radio Contest Logger

Create logs for Amateur Radio contests in Cabrillo format.

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SOTA Logs: Summits on the Air CSV Logs

Create and manage CSV logs for Summits on the Air activations.

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SOTA Logs

Passive Income: Side-Project Income Chart

View passive income earned from a collection of side projects.

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Morse Code Key: Browser-Based Morse Tool

Send Morse code in your browser using your mouse.

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USGS Earthquake Map: Interactive Map Project

Explore USGS earthquake data in a map built with Express and Mapbox.

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USGS Earthquake Map Screenshot

Castles of Okinawa: Companion Website

Browse companion information for the travel guide to 12 Okinawan castles.

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More Projects Coming Soon

Check back for new software, amateur radio, education, investing, and travel projects.