Society of Amateur Radio Astronomers

Following Ted's presentation yesterday at RTOP, here is my attempt to produce similar plots:

It was a pleasure listening in yesterday and learning so much already. I took particular interest in

https://youtu.be/vNNfBz0sDq8 RTOP Jan 2025 - Masers, Noise Figure, Meteor Detector, 3D Hydrogen

And the loss goes into heating up the cable. So suppose you start with 1 kw at the beginning. . .

SARA PRESIDENT is inviting you to a scheduled Zoom meeting. Topic: SARA Radio Telescope Observation

~ 0.15 dB / adapter Please 'Review' the Friis Equation https://www.microwaves101.com/

AirSpyStudio SDR# & IFAvg plug-in For more info see 21cm_Step2 Thanks, Alex GitHub - AP-HLine-3D/

All SARA invited...... Developing and deploying an instrument for measuring ionisation in the

Thank you Alex! I have the cake pan and the Boobrie SMA. I don't have the wire, the metal hook

On 02/01/2025 12:45, andrew.thornett via Society of Amateur Radio Astronomers wrote: My son and I

When the two sources will be separated in the same plane as your antenna spacing (or at least not

Outstanding !! ... so once I followed your advice and set up separate data folder SDR#/IFAverage then

IFAvg setup ====================================================== Gain and Level are for the

Fifteen Seconds is insufficient integration time for anything beyond an overall RMS level estimates.

Quite a challenge! https://www.camras.nl/blog/2024/dwingeloo-ontvangt-signalen-van-voyager-1/

Hello Rich I am a member. Walter On Dec 26, 2024, at 3:41 PM, 'Dr. Rich Russel' via Society

We took a break on the news section this issue. It will be continued for future journal issues. Rich

On 24/12/2024 23:49, Dave Typinski wrote: > On 12/24/24 19:32, Marcus D. Leech wrote: >>

Hi Michael You might want to read up on the San Marino scale !! San Marino Scale en.wikipedia.org

I initially used 20m of LMR400, but have swapped for even lower loss "Glass Coax" aka USB

Of possible value, A Comparative Evaluation of 4 RT Systems with dish sizes from 1.2m - 3.7m using

Thanks Wolfgang for your reply, I appreciate both of your suggestions. I am considering trying Cygnus

December 2024 NRAO Newsletter In this issue: NRAO/GBO at AAS 245... CosmicAI Registration... Call for

Marcus, thank you for reminding me of the incredible power of interferometry with the ability of

addendum: In the links, change the 0 to 1,2 etc to range through the months On Friday, December 20,

Hi Wolfgang and Marcus, >Still I believe there is no natural source which has these

If your LNA is oscillating it will be deaf as well. If your “friend” goes away when the I'm kit

Howdy Tom, Depending on your flavor of Raspbian or Linux you install, the only issue you'll have

If folks want to read how we made the sky-map that is now used as a bit of a "reference"

Drakes December 2024 Drakes December 2024