Online Calculators for Radio and Electronic Design
Use these online calculators to build antennas, coils, and capacitors, and to determine electronic capacitance, inductance, and reactance.
The pH Pages
Information about pH measurement and control, and how to build a simple, inexpensive pH meter to control CO₂ injection in a planted aquarium.
CO₂ and the Planted Aquarium
How to set up and maintain an aquarium with CO₂ injection to encourage the growth of aquatic plants, including a simple reservoir system and optional electronic control.
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Links to all of the pages at 66pacific.com.
Seattle Weather
Selected weather maps, satellite images, and other weather-related resources.
Contact
You can send comments, questions, corrections, or feature requests to feedback at 66pacific.com.