Showing posts with label propagation. Show all posts
Showing posts with label propagation. Show all posts
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:
Wednesday, February 2, 2022

The NCDXF/IARU Beacons (very useful website)

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  So there I was, innocently checking the lower end of the tuning range on my now 17 meter SSB Barebones Barbados W4OP receiver.  I had it t...
Monday, January 3, 2022

1BCG -- The 100th Anniversary of the Trans-Atlantic Test

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Thanks to the Antique Wireless Association for this really wonderful video, and for their involvement in the 100th anniversary event.  Speci...
Friday, December 10, 2021

Where is Sunspot Cycle 25?

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The other day I was complaining to Pete N6QW that 17 meters still seems to be in very poor shape.  I can hear 6Y6Y around mid day, but I don...
Saturday, September 4, 2021

Cosmic Rays, Bit Flips, and Computer Vulnerability

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Here is a very interesting video about a problem that many of us have been blissfully unaware.  You can see the role played by the solar cyc...
3 comments:
Friday, August 27, 2021

SolderSmoke Podcast #232 -- Mythbuster, Pete's Tube CW Rig, Pete's DC RX and Simple SSB Rig, NanoVNA and TinySA, Very FB Mailbag

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SolderSmoke Podcast #232 is available -- Crank it in Robert! http://soldersmoke.com/soldersmoke232.mp3 Featuring a guitar intro by Pete ...
1 comment:
Friday, June 18, 2021

Jean Shepherd on CW, and Strange Propagation -- QRP!

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From 1965.  Great CW stories from Shep.  QRP!  Shep running 2 watts on 20 CW, working DX.  He discusses shortwave listening,  and predicted ...
4 comments:
Saturday, October 31, 2020

SolderSmoke Podcast #226 The U.S. Election, Solar Cycle, uSDX, Hermes, HP8640B, SGC 600 Sig Gen, HA-600A, Mailbag

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SolderSmoke Podcast # 226   http://soldersmoke.com/soldersmoke226.mp3 ---------------------------------- About the U.S. election -----------...
21 comments:
Wednesday, October 7, 2020

Solar Cycle 25 - The Gleissberg Cycle Dashes Hopes for a Big Solar Max

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  In our last podcast Pete N6QW expressed pessimism about Solar Cycle 25.   I pushed back, asking Pete to stop with the negative vibes.  Wel...
Thursday, August 20, 2020

The South Atlantic Anomaly in Earth's Magnetic Field

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In case you've grown tired of worrying about infectious disease, here's another scientific problem for you to worry about: http...
Thursday, December 12, 2019

NOAA Prediction for Solar Cycle 25

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A peak sunspot number of 115 might seem paltry, until you remember that we are at ZERO now.  https://www.swpc.noaa.gov/news/solar-cycl...
Friday, December 6, 2019

My QRPp Signal Arrived in Utah -- 100 mW, 1950 miles, 26 db Above the Noise!

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So yesterday morning I was calling CQ on 40 meters with my ET2 two-transistor 100 mW rig.  Later, I took a look at the Reverse Beacon N...