Author: John Poole
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iq Multicast
I released a tool, iq_multicast, that broadcasts a USB Software Defined Radio (“SDR”) IQ stream. The tools are written in the C programming language. SDRs range from the $50 (kit on Amazon) RTL-SDR to several hundred dollar versions, e.g. HackRF One ($300) and AirSpy2 ($180). RTL-SDR $50 AirSpy2 $180 Normally, a program or process has…
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Released iq_guard
I built a tool to help me monitor the various transmissions of a local radio channel. What happens is aircraft at different distances can cause “blow out” on my transceiver, so I wanted a tool that will let me monitor the variety of transmissions there are so I can gauge gain values when I tune…
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Products From Carpathia
The Rolls Royce brochures from the 1960s used to assert that their dashboards or interior trim sported Carpathian burl elm. Recently, this headline caught my eye: I forwarded this onto a like-minded friend noting: Rolls Royce used to advertise that their dashboards had Carpathian burl elm. Now they can enhance the claim and assert that…
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Calculating a NW Segment of Salem’s Class D Air Space
I’m still working on the matter of the low flying Learjet over Salem, and in that matter, I have determined the jet first flew parallel to the FAA’s Class D airspace as much as it could before entering it. So then I wondered, why and what distance is involved. So here is a picture of…
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Joplin – Note taking App
Just installed Joplin which is a note taking application that can be run on Windows 7 (using an older version 12.2.5) and Linux. You synchronize your content among workstation using Nextcloud. So you can paste in ChatGPT chats, pictures, Excel Sheet tables and you have a rich featured notebook.
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How Classical Music Changed My Life
My scrapbook has this nugget – the Los Angeles County classical music radio station KFAC’s advertisement. I haven’t been listening to KFAC since moving from Pasadena in the 1990s; have I reverted?
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The return of PRESTO
My 1969 TR-6, license plate “PRESTO”, has been sitting in the garage since September, 2021, after an unsuccesful attempted theft. The villains broke into the garage and had hot-wired the car, carefully extracting from the front console the key that activates the starter, but they could not get the car out of the garage because…
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August Harvest 2024
I planted crabapple Malus domestica ‘Dogo’ in 2019 and this is the 2024 harvest: The hops hanging from the candy dish Juli nurtured and arranged with the hydrangeas. They will be transformed into crabapple jelly which has a very delicate flavor, yet different from apple jelly.
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Air Force One Buzzes Peck Cottage
I have created a 3 dimensional model that depicts Air Force One (231′ long) buzzing Peck Cottage in a 1/2 mile radius going from an altitude of 100 to 500 and back to 100. To accomplish this, I am using a vector tile server I built using the MapLibre martin project and Threejs JavaScript. What…
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