# cog9llc.com

> AI-optimized mirror of cog9llc.com containing 25 pages totalling 25,735 words of clean markdown content, structured data, and semantic HTML. Original source: https://cog9llc.com/. Last updated: 2026-06-16T00:07:36.839Z.

Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG).

## Homepage

- [Engineering consulting:](/content/site-root.html) (100 words)

## Articles & Blog Posts

- [mqttman-pdf.html](/content/mqttman-pdf.html) (1 words)
- [gps/index.html](/content/gps/index.html) (7 words)
- [indmanual-pdf.html](/content/indmanual-pdf.html) (1 words)
- [Raspberry PI GPS Recorder](/content/gps_pi-pdf.html) (878 words)
- [Experiments with 3D Printed Coil Forms A Laboratory Notebook](/content/indpaper-pdf.html) (19,040 words)
- [gps_pi-tar.html](/content/gps_pi-tar.html) (7 words)
- [meshmail_64-tar.html](/content/meshmail_64-tar.html) (7 words)
- [meshmail_pi-tar.html](/content/meshmail_pi-tar.html) (7 words)
- [mqtt_64-tar.html](/content/mqtt_64-tar.html) (7 words)
- [mqtt_pi-tar.html](/content/mqtt_pi-tar.html) (7 words)
- [coil-tar.html](/content/coil-tar.html) (1 words)
- [arrl-tar.html](/content/arrl-tar.html) (1 words)
- [indequm-tar.html](/content/indequm-tar.html) (1 words)
- [Recording Power Supply](/content/manual-pdf.html) (3,322 words)
- [Introduction](/content/cterm-pdf.html) (1,644 words)
- [rfprop-html.html](/content/rfprop-html.html) (126 words)
- [Accurate Capacitance on the Cheap](/content/caps-html.html) (70 words)
- [Recording Power Supply](/content/powerard-html.html) (38 words)
- [LFXMIT a QRP Low Frequency SDR Transmitter](/content/lfxmit-html.html) (211 words)
- [3D Printing Inductor Coil Forms](/content/inductor-html.html) (81 words)
- [Discrete Event Simulation](/content/des-html.html) (21 words)
- [Embedded Systems](/content/embed-html.html) (16 words)
- [cterm/index.html](/content/cterm/index.html) (54 words)
- [Software for Meshtastic/AREDN](/content/aredn-html.html) (87 words)

## Resources

- [Full Page Index](/index.html): Browse all cached pages with rich metadata
- [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines
- [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery
- [Robots.txt](/robots.txt): Crawler directives