Showing posts with label propagation. Show all posts
Showing posts with label propagation. Show all posts
Thursday, January 29, 2026

Attempting 2 meter contact, Dominican Republic to Puerto Rico

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It is about 100 miles across the Mona Channel.  That is a longshot on 2 meters, but I got the idea when, this past summer, I regularly hear...
11 comments:
Monday, November 17, 2025

HAARP Test 17 -- 22 November 2025

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  Details here (click on November 2025):  https://haarp.gi.alaska.edu/transmissions Submit signal reports here:   https://haarp.gi.alaska.ed...
1 comment:
Thursday, November 13, 2025

SolderSmoke Podcast 262: Hybrid Wireless, 100 Watt Amplifier, Antipode VK6, Tropo DR to PR?, Mixers, MAILBAG

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SolderSmoke Podcast #262 is available:  Audio only: http://soldersmoke.com/soldersmoke262.mp3 Video:   https://www.youtube.com/watch?v=QSUyE...
3 comments:
Thursday, October 9, 2025

Why I can listen to both sides of VK-G Long Path QSOs in the Dominican Republic

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Bottom line:  I think when Australians talk to Brits via long path,  in the Dominican Republic I am between the two. Both have their beam an...

So Where is My Dominican Antipode?

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There you have it.  I like the icons!   Here is the site:  https://www.antipodesmap.com/#coordinates-converter
Tuesday, September 30, 2025

Coronal Mass Ejection Causes Storm -- But I Still Hear DX in Hi7

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  So the A index is 27 and the K is 7.  That's pretty bad right? See below.  Lots of red.  Well maybe not so bad in the tropics.  This m...
4 comments:
Friday, September 26, 2025

Maybe it is Tropospheric Ducting After All -- 99.5 FM WIDI Puerto Rico Received in the Dominican Republic

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  Invest 94L moved arcoss the Mona Passage yesterday, lowering temperatures, bringing lots of rain and relatively high winds to the area.   ...
3 comments:
Thursday, September 18, 2025

50 Things to Do with an SDR -- The International Beacon Network

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 https://blinry.org/50-things-with-sdr/ Lots of good ideas from blinry's site.  It reminded me of the International Beacon Project:  htt...
1 comment:
Sunday, September 14, 2025

Do I really NEED Tropo to hear the Puerto Rican FM Broadcast Station? Or are we just close enough to do this line-of-site?

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  WIDI 99.5 FM from western Puerto Rico continues to put a full quieting signal into the eastern Dominican Republic.   The station is so reg...
3 comments:
Thursday, September 11, 2025

Puerto Rico -- Dominican Republic Tropo on 99.5 FM? Yes, probably

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  Our friend Todd K7TFC in Portland found this in the 1950 ARRL Handbook at an, uh, opportune moment.  TRGHS.  This seems to describe what a...
1 comment:
Wednesday, September 10, 2025

Puerto Rico FM Broadcast Station Heard in the Dominican Republic -- But How? WIDI 99.5 FM

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WIDI 99.5 FM. Booming in during daylight here on the eastern tip of the Dominican Republic. Their antenna is about 2100 feet above average ...
3 comments:
Friday, May 10, 2024

A = 97 K = 9

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5 comments:
Wednesday, December 27, 2023

Around the World Twice (and maybe more) on 15 meters

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  John EI7GL has a great blog post about some experiments recently done by Salvador EA5Y.  Salvador was aiming his 4 element yagi in one dir...
2 comments:
Monday, August 14, 2023

You have heard of the International Geophysical Year (IGY). But have you heard of the IQSY?

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  International Quiet Sun Year.  1964-1965.  Yes, that was a thing.  
Tuesday, June 6, 2023

"Ham Radio Ireland" June 2023 edition (and Free Propagation Guide)

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  Get the latest edition here:    https://www.docdroid.net/VlSXkrD/crnews0623-pdf Thanks to Steve Wright EI5DD.  I had the great good fortun...
2 comments:
Friday, May 26, 2023

Coffee with Farhan VU2ESE (video)

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Early morning in the N2CQR shack, May 16, 2023 -- Propagation -- Web sites (RBN, PSK Reporter, others) -- CW -- Homebrew rigs -- VFOs
2 comments:
Thursday, June 23, 2022

WIRED on the Dangers of another Carrington Event, Solar Cycle 25, Capacitors Could Save Us All

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This Wired article has some really interesting info on competing theories about the solar cycle, about the danger to the Earth from solar fl...
1 comment:
Tuesday, June 21, 2022

Summer Solstice -- EITs. Solar Tsunamis. Strange Falcon 9 Spirals Seen in New Zealand

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  Forbes has an interesting article that may help explain the poor Cycle 25 propagation that were talking about in SolderSmoke podcast #238:...
Friday, June 17, 2022

SolderSmoke Podcast #238 -- SolderSmoke Shack South, Cycle 25, Chiquita Banana Radio, RCA, HQ-100, Mate Mighty Midget, Sony SWL RX , Mailbag

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SolderSmoke Podcast #238 is available:  http://soldersmoke.com/soldersmoke238.mp3 TRAVELOGUE:   Cathartic decluttering:  Bill preparing for ...
3 comments:
Wednesday, April 6, 2022

The First Commercial SSB Trans-Atlantic Radiotelephone System

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These guys didn't just complain about QSB -- they DID SOMETHING about it!   Thanks to AWA and Hack-A-Day for disseminating this great vi...
1 comment: