since I started the .f03 project. This one had some file I/O that I needed to understand.

Been checking the results for microstrip against

Old code didn’t take into account trace thickness … or frequency. DON paid money once to be told that there was a frequency dependence.

Er_eff still needs to be re-written.

Picked it up from Little Machine Shop along with a tapping block.

Sears on Wilmot to make this antenna.

So when I saw this at the UoA surplus auction. I had to buy it

Started having problems with DS1307. Thought it was the battery, but after two replacements realized that either the program was re-writing registers or the chip was bad.

Replaced the chip two weeks ago. Reprogrammed the 16X2 LCD display to show times from the DS1307 [lower] and PCF 85263 DemoBoard [upper].

Picture was 4/21/2019 with a difference of 31 seconds. Checked today, now 30 seconds. Initial difference was about 36 seconds.

There is no easy route to get past this …

or this …

Volt is looking for

About a year and a half ago I had spoken to students in the 2017 McGuire New Venture Competition about their Luneburg lens pitch.

They were surprised that someone would come up and talk to them about antennas, especially a Luneburg lens.  Well, I’d been pitched Lunuberg lenses about 20 years ago.

When they told me some magic software would make it work. I offered a smile.

When the students suggested that I come in and watch their pitch, I was polite and declined.  The students had done well up at a pitch competition at ASU and expected to do well here.

But I didn’t hide the fact that i declined because I would ask some very awkward, hard to answer questions.

A lens is a lens, and a radar system incorporating multiple, multi-feed antennas with multiple Tx-Rx pairs for 360 degree coverage is of problem of much greater scope.

So when I saw this job announcement, I wasn’t very surprised.