Search found 5 matches

by emilio
Mon Jan 23, 2023 12:59 am
Forum: General Discussion
Topic: Record-Breaking Signal From Distant Galaxy Is Furthest of Its Kind Ever Detected
Replies: 1
Views: 4542

Record-Breaking Signal From Distant Galaxy Is Furthest of Its Kind Ever Detected

"A galaxy emits different kinds of radio signals," says cosmologist Arnab Chakraborty, from McGill University in Canada. "Until now, it's only been possible to capture this particular signal from a galaxy nearby, limiting our knowledge to those galaxies closer to Earth." https://...
by emilio
Wed Oct 05, 2022 3:19 am
Forum: General Discussion
Topic: QSL card for SWL Station.
Replies: 0
Views: 9775

QSL card for SWL Station.

Hi

Image

I did not know my listening room or "shack" could well call it "SWL Station" and even desing and make a QSL Card. Here examples from the Heraldry field:

https://heraldry-wiki.com/heraldrywiki/ ... :QSL_cards

:D
by emilio
Sat Oct 01, 2022 9:39 am
Forum: Log Sharing & Broadcast Frequencies/Schedules
Topic: What is this burst emission on shortwave?
Replies: 2
Views: 5194

What is this burst emission on shortwave?

Hi I like experiment building my own radios: crystal sets, regeneratives with transistors and tubes, etc. Some months ago made a crystal radio with double tunning circuit: https://sbj.edu.mx/crystal-receiver/emilio-crystal-receiver.jpg This night i forgot turn off the audio amplifier (the box with z...
by emilio
Tue Jun 14, 2022 9:54 pm
Forum: Log Sharing & Broadcast Frequencies/Schedules
Topic: Unusual interference in Russian language on 7055khz
Replies: 3
Views: 5627

Re: Unusual interference in Russian language on 7055khz

Thanks 13dka and Frankie for share. In these days the propaganda has not happened, I hope soon not only the QRM will be resolved but also the military conflict.

73
by emilio
Wed Jun 08, 2022 1:54 pm
Forum: Log Sharing & Broadcast Frequencies/Schedules
Topic: Unusual interference in Russian language on 7055khz
Replies: 3
Views: 5627

Unusual interference in Russian language on 7055khz

Hi At the beginning of this year i started learning Telegraphy (American Morse and the International) for to expand my SWL activities. The 7055khz is one of the frecuencies of SKCC (Straight Key Century Club) so all nights try listen some QSO's for practice. Yesterday (june 9) showed up some voices,...