Comcast/Netgear routers eat SRV records

I've been troubleshooting an issue with two Comcast users in the Memphis area. One is a recent Comcast subscriber, and the other has been using Comcast for months, noticed this issue, and invented a kludgey workaround on his own that involves several VPNs. After lots of head-scratching, I was able…

Serial ports are hard

There might be sonething wrong with me: I keep finding situations where I need to use serial ports. They're not always RS-232 ports, either. Sometimes they're TTL serial to microcontrollers or other wacky stuff. Sometimes I modify firmware to add a USB serial port. Serial communication boils down to bits…

Fun in Google Earth

I noticed that Google Earth posted new imagery in and around Chicagoland Skydiving Center. Among other things, this means that the hangar is actually visible; the previous set features a time when CSC was operating out of tents. Google Earth says the photos were taken on Monday September 9, and…

Maximizing range

It's important that you plan your flight around the winds; you want to get out in a certain area so that you can deploy your parachute in a certain area. But, well... as a skydiver, you often don't have control over that. You get to trust the people giving the…

Crossfire 2 first impressions

I was jumping an Icarus Crossfire 2 149 over the weekend. The Crossfire 2 is a fully-elliptical, non-crossbraced nine-cell main canopy. This puts it in the same class as the Katana I demoed a few weeks ago, both of which are considered higher performance than my current semi-elliptical Sabre2 main…

More parachutes!

I've made a lot of skydives so far this year; 450 and counting. Each skydive ends with me landing a parachute, so I've spent a lot of time flying parachutes this year. Even though it's the end of the season, this is the ideal time for me to try out…