Rob's wiki
This is a place where I post details about projects I work on and "recipes" I've come up with, mostly to help me remember, but others may find useful.
DXSpider
DX spots from the DX Cluster network
Global Solar Illumination
What is the sun lighting up right now?
US Solar Illumination
Same as above but focused on North America.
DIX Long Range Reflectivity
Mount Holly Radar data overlaid on Google Maps to get that "neighborhood view"
The Media PC
I want a Linux PC that will connect to my main TV to be used as a "new media" receiver. The target PC is a 300 MHz Pentium II I pieced together dumpster diving and getting parts off ebay. It has an nVidia GeForce video card with S-Video output. There is no capture card. I'm only interested in using this as a player.
Creating SSL Certificates
How to create SSL certificates for serving encrypted web pages or sending encrypted email. If anyone needs a "pabut" certificate let me know.
Verify Downloaded Files
How to use pgp to verify the integrity of downloaded files.
Creating a YUM repo
How to create your own custom repo of RPMs to be used by YUM.
Creating a custom POI file for Garmin
How to build a POI file for your Garmin GPS unit from a KML file generated from Google Maps
Rip a dvd to an iPod compatible mp4
Rip the DVDs that you own to a file format compatible with a video iPod using ffmpeg
Save a YouTube video to DVD
How to download a YouTube Video and convert to a DVD compatible format using ffmpeg
Configure port mirror on a Catalyst 2950
How to set up port mirroring to snoop packets on the wire for things like SIP, RTP and UPNP
Save off audio from a YouTube Video
How to save the Audio only from a YouTube flv file using ffmpeg
Extract part of a video with a one-line command
Given start-time and length, create a video segment with one command.
Change a browser user agent
Sometimes I need to see how changing the user agent effects the data sent by a website.
Build and configure SVXLINK
The SvxLink Server is a general purpose voice services system, which when connected to a transceiver, can act as both an advanced repeater system and can also operate on a simplex channel.
Configure Mailman with Exim and Fetchmail
(Under construction) Use mailman with forward mail domains to a remote computer
Create an Animated GIF from a movie clip
Take that embarrassing video and put it in a form that is social media friendly
NAT a VM port through its host interface
Set up iptables to allow inbound connections to a VM port that doesn't have an external interface
Experiments with RTL SDR
Things I've been working on with and RTL-SDR USB stick and downconverter
Signing a JAR file
Self sign a JAR file so APPLETS can run in a browser
The MULTIRX project
An RTL-SDR receiver capable of capturing, streaming and recording multiple channels within it's bandwidth
Satnogs
An open hardware antenna rotator I'd like to build. 3D parts printed, others gathered, still more to source. This has been going on far too long!
XKCD Compliant Passwords
Generate STRONG and EASY TO REMEMBER Passwords
Capacitor Design
Notes for building Cylindrical Capcitors for TRAPS and MAG LOOPS
FreeOTP
Dabbling in personal one time password stuff
Stream ALSA to ICECAST
Stream a generic audio stream to an ICECAST server
ARISS SSTV Gallery
Collection of images I've downloaded from the ISS during SSTV events
WAVE2TTD
A program to decode "Two-Tone Paging Signals" from a wav file
Mic stand iPad holder
3D printed some brackets so I can use a mic stand to hold an iPad for when we have “virtual” dinner guests.
Open Source Weather Station
Building a remote temp/humidity sensor with an esp32. So far printed the sensor housing.
GroupMe Bots
Some of the scripts I use to make GroupMe Bots
River Gage Bot
Send a group me message when a river gage exceeds a certain level
Adventures in DMR
References for topics in DMR