Technical Topics > Propagation

Grey line map (real time)

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Matt285:
I thought I may have ask about this once, but I couldn't find a previous post. What are you all using when it comes to real time Grey line maps? I thought there might be a Black Cat Systems program, but I didn't see one listed. Thanks

jFarley:
https://www.universal-radio.com/catalog/misc/0059.html

It's old school and discontinued, but emits no EMI, requires no batteries, and adds no clutter to the monitor display.

Matt285:
Interesting. I see that it comes with 12 slides for each month of the year. Not sure it would be easy to find though.

JCMaxwell:
I use Simon’s :

https://www.sdr-radio.com/download

Josh:
https://www.amazon.com/Geochron-Standard-World-Goatskin-Silver/dp/B00XYYFBF8







for the well-heeled nerd

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