Weatherguy
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22.2GHz water maser observations with a small dish
Weatherguy replied to Ed astro's topic in Radio Astronomy and Spectroscopy
Hi, Ed, That's a great explanation about water vapor effects. On the other hand, I was wondering whether you could detect or quantify water vapor with the setup you have. As you pointed out, the pressure broadening made water vapor absorption look like background noise within the frequency range. Also, not sure where you got the 6MHz bandwidth for the receiver. You LNB picture shows the frequency range is from 21.2 to 22.2 or 1 GHz, right? Anyway, great work. You should publish it.