Dean W. Armstrong

My long suffering Geiger Counter is back up and running . I used ChatGPT to create a sample Arduino sketch to interact with the pulses comi...

NOAA has a set of older LEO weather satellites that send an analog signal of the the sensor data they receive, one line at a time, and these...

As previously mentioned , I've tried to keep track of CFL bulbs I used and how long they have lasted. Some have outlived some of the new...

This is from Sentinel-1 taken on March 22nd, 2021.

If you are like me, you like to know how things are organized. What is my postal carrier's route? How many houses and businesses do they...

I just caught the end tail of a pass of Starlink satellites. I haven't really tried to see them, but it was clear tonight and we had a c...

Meteorite detected in NEO survey before impacting in Caribbean https://remanzacco.blogspot.com/2019/06/small-asteroid-neocp-a10eom1-impacte...

There's a hot story right now about three buckets of uranium ore that was stored at a museum at the Grand Canyon, with a claim of it be...

I received an image that was being transmitted from the International Space Station as it passed nearly overhead this evening. They broadcas...

As seen previously , a series of CFLs I used starting around 2008 onwards failed at varying lifetimes. I report a third failure, of a Nvisio...

A facebook link a friend shared mentioned a sound test and wondered if it was accurately matched to the listed frequency. I ran the sound t...

I downloaded the Sentinel-1 Synthetic Aperture Radar data of the Black Rock area taken on August 19, and the start of Burning Man work is ap...

The Terminal Doppler Weather Radar system for Midway Airport caught the freighter Stewart J. Cort traveling on Lake Michigan towards Burns ...

This is a comparison of the broadcast band during the day (at top) vs at night (bottom). Many stations are required to lower their power ...

The nanosat CUTE, or rather the CUTE-1.7 + APD II , sends out a beacon in morse code. I picked it up with a simple antenna and a SDR. Time i...