Luis Ferreira · @lmf
47 followers · 87 posts · Server universeodon.comHam Radio Maidenhead Grid Square Locator Geocoding with Google Maps by HA8TKS
https://dxcluster.ha8tks.hu/hamgeocoding/
#amateur_radio #map #geolocation #grid
Luis Ferreira · @lmf
24 followers · 46 posts · Server universeodon.comFor those SW listeners who have found strange modulations sounds around 14 075KHz here's the culprit:
JT65 – The Basics
https://www.essexham.co.uk/jt65-basics
JT65 is one of the more specialist data modes that I’ve played with, but I must admit, it’s quite addictive. It’s also great for making contact over distance with low power, where a voice signal just can’t make the trip.
#amateur_radio #jt65 #radio #digital_mode #qrp
Luis Ferreira · @lmf
24 followers · 45 posts · Server universeodon.comSomewhat old stuff but might be interesting:
Digital Library of Amateur Radio & Communications
https://archive.org/details/dlarc
The Digital Library of Amateur Radio and Communications is a library of materials and collections related to amateur radio and early communications.
#amateur_radio #archive #communications #library
Luis Ferreira · @lmf
24 followers · 44 posts · Server universeodon.comImaging Cygnus A at 8.45 GHz with ATA
https://destevez.net/2021/08/imaging-cygnus-a-at-8-45-ghz-with-ata/
Near the end of July, I decided to perform more interferometric observations of Cygnus A at a higher frequency, in order to obtain better resolution. I chose a frequency of 8.45 GHz because it is usually a band clean of interference (since it is allocated to deep space communications)
#amateur_radio #cygnus_a #imaging #interferometry #radioastronomy #microwaves
#amateur_radio #cygnus_a #imaging #interferometry #radioastronomy #microwaves
Luis Ferreira · @lmf
24 followers · 43 posts · Server universeodon.comUseful table for ham radio people:
Continuous Tone Coded Squelch System (CTCSS) Tone Squelch for communications aka Subchannels
https://www.hamradio.me/charts/ctcss-radio-squelch-tones.html
All this CTCSS stuff really is is a tone that is sent along with your voice to the receiving radio.
#amateur_radio #ctcss #radio #repeaters #tone_reference
Luis Ferreira · @lmf
7 followers · 16 posts · Server universeodon.com1296 MHz Transverter v.2.2
Transverter for 23cm amateur radio band.
The new design v 2.2 of our transverter features better performance and some new functions. Our new transverter's design (v 2.2) offers better performance and some new functions.
#amateur_radio #electronics #microwaves #radio #rf
#amateur_radio #electronics #microwaves #radio #rf
BeeDude :fedora_logo: · @wyoham
123 followers · 221 posts · Server hachyderm.ioThe NCVEC Question Pool Committee has released the 2023 General class question pool update. It will take effect at midnight GMT on July 1, 2023.
Here are some basic stats:
80 questions were removed
58 new questions were added
119 questions were updated
Original and official source for the question pool here: http://www.ncvec.org/page.php?id=369
"diff" showing what has changed: https://ham.study/diff/E3_2019/E3_2023/
You can study the new pool at https://ham.study/general2023
#ncvec #amateur_radio #ham_radio #exam #ve
tallship · @tallship
25 followers · 230 posts · Server mastodon.sdf.org
@cosullivan Stuff NOT in my profile?
Let's start with stuff in common, sort of:
#coffee #LMDE #Python3 #gopher #non_fiction #dataprivacy
Other stuffs:
#cheezburgerz! #SCUBA #Sailing #cooking #movies #heavy_metal #theater #dogs #chickens #history #art #ham_radio #amateur_radio #beer #whiskey #merlot #gardening #frogs #trains #airplanes #rockets #satellites #volunteering #travelling #Iron_Maiden
And an very old pic of me and my daughter, #The_Jennifer.
So.... now I boost your post, right?
#coffee #lmde #python3 #gopher #non_fiction #dataprivacy #cheezburgerz #scuba #sailing #cooking #movies #heavy_metal #theater #dogs #chickens #history #art #ham_radio #amateur_radio #beer #whiskey #merlot #gardening #frogs #trains #airplanes #rockets #satellites #volunteering #travelling #iron_maiden #the_jennifer