Society of Amateur Radio Astronomers

Let's cool it Some music from Colorado https://www.youtube.com/watch?v=HbODSEP9m_A It's the

Why are we focused on Dicke switching of the RF path between the antenna and a resistor as a noise

I did a 24 hour drift scan for Hydrogen line just in case I might see a sign of Santa Claus but

Does ezRA support offset tuned spectrum data with center at say 1420 MHz as opposed to 1420.405 MHz

Thanks Ted for the ezRA 1420 biginner data link. All the best for Christmas. On Thursday, December 25

Thanks Alex. I will try the 6msps and decimation of 4. Jerry On Wed, Dec 24, 2025 at 4:28 PM 'b

Hello Jim and All, There are a few people including me that read Dec 1998 article. I have refereed a

Haven't had chance yet on my list of jobs.... Sent from Outlook for Android From: sara-list@

Well 4.8 microseconds, that's almost the time interval between all the great news coming out from

Oh and by the way some of us are liking it ICE cold! On Tuesday, December 23, 2025 at 2:31:03 AM UTC-

Hi Stephen, I am receiving your emails wildly out of order, so if I seem unresponsive, blame some

Drakes Lounge Dec 2025: Andromeda Galaxy and IC 34, hydrogen line mapping, Kraken SDR utilization

( always ! ) On Monday, December 22, 2025 at 03:30:36 PM EST, Conrad Cardano <cardanoconrad@gmail.

the 'Focus" is @ the base of the cake pan

You could use this schematic here. It's kinda reprogramming the internal pll via ref frequency

FYI Rich December 2025 NRAO Newsletter In this issue: CDL Engineering Spotlight with Dr. Priyanka

I don't understand the Name either.. .. Other than time averaging, There is No Filtering . The

Edward, That was a great video! Very informative. Jerry Taylor On Thu, Dec 18, 2025 at 4:52 AM Eduard

Yes, these are the ones I was referring to. I will have a closer look at the development of this

FYI Rich Newsletter Pre header Subscription preferences | Unsubscribe | View in browser Newsletter

... And they work so well! On Wednesday, December 17, 2025 at 4:27:31 AM UTC+2 Jim Brown wrote: Mine

https://www.youtube.com/watch?v=RtR_ECkqblg

A simple modification for a long can would be to make a copper or brass plate close in size to the

Hi I recorded meteors at 55.239 MHz. I see others at recorded meteors at 54.309 MHz. I will try that

I would bury the cables in the ground a meter down inside a conduit where the diurnal delta T is

Perhaps some of you are at that stage in your radio astronomy journey where you are trying to get

Robert here from R3, I'm currently iterating on that 140mm number which was optimal for SNR to

Methanol! How did that happen is the question! > On 12/11/2025 9:14 PM, 'Stephen Arbogast'

I've found these on Amazon and ebay - this price is currently available on Amazon. 160mm diameter