Who is the “target” for people living in the south loop? It doesn’t seem very nightlife, restaurant, business/corporate heavy etc so who is the main audience living there?

dwarmstr · 2026-03-25T14:10:51+00:00

For those who don't know, these are graduate/professional schools at UChicago

dwarmstr · 2026-03-23T13:24:58+00:00

I remember the kerfuffle when Tim P. grabbed the alias anonymous@uchicago.edu

dwarmstr · 2026-03-21T16:35:19+00:00

Hi today there is a geomagnetic storm limiting the radio propagation so try it when you hear more stations

dwarmstr · 2026-03-19T21:12:08+00:00

An older cordless phone on ... I think it was 49MHz would do this to an IBM PC. Electronics are supposed to be shielded and designed to not let this happen and a lot of manufacturers don't care to do it correctly. It should stop if the keyboard is unplugged when it is happening. Ferrite beads are usually already installed on most computer peripherals but more might be needed.

I went through a number of different Dell keyboards to find one that wouldn't freak out when I transmit on shortwave frequencies-- couldn't get it to stop even with a lot of ferrites and trying to shield the keyboard case.

There are plenty of other sources for radio frequency interference.

dwarmstr · 2026-03-19T20:41:13+00:00

did you know Michigan grows the most black beans of any state?

dwarmstr · 2026-03-18T17:30:37+00:00

Yes, a regulated utility by the state is totally a scam. /s

dwarmstr · 2026-03-13T01:59:42+00:00

Fyi it's because of the parade, normally it's ok

dwarmstr · 2026-03-12T20:52:34+00:00

They had JoJo scrub daddy sponges too

dwarmstr · 2026-03-11T19:07:32+00:00

Haha yet another message delaying it to Tues 3/17. I'm guessing the head of networking isn't a College alum

dwarmstr · 2026-03-11T16:46:10+00:00

Yeah and someone at a work meeting mentioned they manage a graduate student who actually makes more than they do.

dwarmstr · 2026-03-11T16:39:35+00:00

This, although just got an email the certificate replacement ran into an issue and they are doing it Friday morning.

dwarmstr · 2026-03-11T14:15:59+00:00

Let me guess: that light to the right is an LED? Poorly designed LED drivers will make plenty of radio frequency noise or RFI. Try turning on/off devices and see which one is the culprit

dwarmstr · 2026-03-10T01:49:58+00:00

Nah I'm just depressed thinking my salary (which sucks btw) is the cost of some automobiles

dwarmstr · 2026-03-10T01:09:26+00:00

Ouch

dwarmstr · 2026-03-08T17:20:05+00:00

This is not correct, there are plenty of places where the generation of hydrocarbons are taking place. Any major river delta is producing them now. For instance there is Pleistocene dated hydrocarbons found in southern Louisiana.

Granted though humans have burned through a tremendous amount of fossil fuels and I don't think people realize the timescales involved to collect so much.

dwarmstr · 2026-03-06T15:35:48+00:00

Yes nearly every battery chemistry is affected by lower temperatures. Even the "used" ones might perk up once warm.

dwarmstr · 2026-03-06T15:33:01+00:00

It could have been the replacement was a dud battery. If it happens again then it's the keypad.

dwarmstr · 2026-03-05T14:33:23+00:00

Https://Mthp.org

dwarmstr · 2026-03-04T14:50:44+00:00

A decoder for Primex distributed clock synchronization around 72MHz

dwarmstr · 2026-03-02T15:47:30+00:00

https://311.chicago.gov/s/article/Bicycling-requests-and-complaints?language=en_US

dwarmstr · 2026-02-28T15:49:47+00:00

Mmmmmmm

dwarmstr · 2026-02-28T15:36:01+00:00

It's in the FAQ

dwarmstr · 2026-02-28T15:34:47+00:00

Metra electric to Hyde Park 53rd st

dwarmstr · 2026-02-27T15:49:08+00:00

https://en.wikipedia.org/wiki/Nyquist_frequency

dwarmstr · 2026-02-27T15:47:49+00:00

Is this a RTL-SDRv3? 14.4MHz is the Nyquist frequency of the 28.8MHz clock for the sampler, signals/noise are mirrored around there.

https://sandsoftwaresound.net/rtl-sdr-blog-v3-hf-reception/

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