Society of Amateur Radio Astronomers

Hi Ayushman, The Huge advantage of IF-Avg is its capability of background correcting all data As it

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

Looking at cans available in the UK, I came across two choices – 145mm and 165mm – so I asked ChatGPT

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

Well... I had to look this up and in case others are wondering here is what I found... https://en.

Convert to Galactic Long and use this chart

Thanks so much that the stuff we newbe need. On Monday, December 8, 2025, 'b alex pettit jr'

RTOP Dec 2025: Masers, Interferometry, Hybrid Optical/radio Telescope RTOP Dec 2025: Masers,

RTOP starts at top of hour. Rich ----- Forwarded Message ----- From: SARA <pres@radio-astronomy.

For anyone in Europe looking for this, amazon.de have 1 X barebones and 11 X the cased version in

This ? https://github.com/AP-HLine-3D/HLine3D/blob/main/21cm_Step2A_Software_Links_AirSpySDR%23_IFavg

Now I am officially retired, here are some retired astronomer jokes.... Here are 20 astronomy-themed

The Value of intentionally degrading the performance of the System by adding noise from an option not

Hello Jon! The dish is of course polarization sensitive, the polarization which it receives, is

Excellent! Thanks Dimitry On Thursday, December 4, 2025 at 08:38:20 AM MST, Dimitry UA3AVR <ua3avr

A few files from the RA0600 time frame

Hi Wolfgang and all, The flux density in that paper was apparently calculated for a standard distance

Thank you, Andy. I have been looking at ezRA for the last few days. The 3D image is interesting.

Not sure that posted properly

Im a microwave network engineer but I focus more on implementation than design. I am not as familiar

Hi Jan, That is a good clue. I will try to make the calculations work either way, comma or period.

Uh oh! Does this mean that inhabitants of Earth are now in more trouble? On Tuesday, December 2, 2025

I listened to a bunch of hiss on 54.310 mhz and recorded these meteors. Don't get you hopes up,

Mike: The references said that Haint Blue paint was much more commonly used in the South[east]? Some

RTOPS are on the 1st Sunday of the month - so next Sunday. Rich On Sunday, November 30, 2025 at 11:10

Hi All, For those of you this side of the pond, the 150cm, or other largish solar cooker dishes have

Neat! On Sat, Nov 29, 2025 at 5:45 AM 'Alex P' via Society of Amateur Radio Astronomers <