Transforming an Analog Radio into a Cosmos Radio Receiver

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Discussion Overview

The discussion revolves around the possibility of transforming a simple analog radio receiver into a device capable of receiving cosmic radio waves, specifically focusing on the concept of a radio telescope. Participants explore the feasibility, methods, and principles involved in such a transformation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants inquire about the feasibility of modifying an analog radio to receive cosmic radio waves, questioning the necessary components and principles involved.
  • There is confusion regarding terminology, with some participants clarifying whether "cosmos radio" refers to a radio telescope.
  • One participant suggests that detuning an AM radio between stations can allow reception of cosmic background radiation, proposing a simple method to achieve this.
  • Another participant emphasizes the importance of frequency in radio astronomy, asking for clarification on which frequencies are significant for such measurements.
  • Some participants mention historical context, noting that amateur radio enthusiasts have contributed to the field since the 1930s and that measuring celestial objects can be relatively accessible.

Areas of Agreement / Disagreement

Participants express differing views on the methods and principles for transforming an analog radio into a radio telescope. There is no consensus on the specific requirements or the significance of frequency in this context.

Contextual Notes

Participants have not reached a clear understanding of the necessary modifications or the implications of frequency selection for radio astronomy. The discussion includes various assumptions about the capabilities of household radios and their potential applications in cosmic measurements.

shimun
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hello folks.

1.its possible to change simple analog radio device (reciever) to cosmos radio waves reciever or just cosmos radio with relativy small price.

if you know how please ilustrate it with images, thank you very much.
 
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shimun said:
hello folks.

1.its possible to change simple analog radio device (reciever) to cosmos radio waves reciever or just cosmos radio with relativy small price.

if you know how please ilustrate it with images, thank you very much.
What's a cosmos radio? Do you mean Ratio Telescope? What frequencies are involved with your analog radio and whatever a cosmos radio is?

http://abyss.uoregon.edu/~js/images/radio_telescope.gif
radio_telescope.gif
 
Yes ratio telescope; how to change radio device to ratio telescope , its only matter of antena or more ? frequences doesn't matter, let be default, just want catch a principle of changing one device to another.

Audiomax-MPR-9-FM-AM-Analog-Radio-w-SD-USB-MP3.jpg
 
shimun said:
Yes ratio telescope; how to change radio device to ratio telescope , its only matter of antena or more ? frequences doesn't matter, let be default, just want catch a principle of changing one device to another.

View attachment 197232
What have you been reading so far about how radio teelescopes work and what they are used for? What can you tell us about those things?

And the frequencies matter very much. There are certain frequencies that are used in radio astronomy, and many that are not. Please tell us which frequencies are the most important and why... :smile:
 
You can just detune your radio between stations (AM works better). A portion of the static you hear is the cosmic background radiation. So there you go, a cosmos radio!
 
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berkeman said:
Do you mean Ratio Telescope?

Do you mean a radio telescope? :wink:
 
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It's simply a matter of what you want to measure. If the experiment you want to attempt lines up with the spec's of a household radio then you can use it to conduct your experiment!

Some things to keep in mind:

The field was pioneered in the 30s by amateur radio enthusiasts in their backyard.
https://en.wikipedia.org/wiki/Grote_Reber
Measuring some things, like the Sun or Jupiter, are relatively cheap and easy to do.
https://radiojove.gsfc.nasa.gov
 
Drakkith said:
Do you mean a radio telescope? :wink:
Oops, yes...o0)
 

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