Skip to content

SolderSmoke Daily News — Ham Radio Blog

Serving the worldwide community of radio-electronic homebrewers. Providing blog support to the SolderSmoke podcast: http://soldersmoke.com

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

International Quiet Sun Year. 1964-1965. Yes, that was a thing.

Author William MearaPosted on 14 August 202322 July 2025Categories IGY, propagation, Sun

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Comment *

Name *

Email *

Website

Save my name, email, and website in this browser for the next time I comment.

Post navigation

Previous Previous post: Voyager, Canopus, JPL, and 74xx Logic Chips from the early 1970s

Next Next post: The Wizard of Kerala (India) — Denny VU2DGR — SDR and HDR

Archives

Categories

Search

Recent Posts

One (of several) SolderSmoke Blog Backups: This one in .pdf form
Britain’s EF-50 Valve (Tube, Thermatron) in WWII
A USB-powered Homebrew X-ray machine. And who is Project 326?
How many of you guys have changed the clutch on a Heathkit HW-101 (or similar rig)?
Oscillation! Negative Resistance! Barkhausen Explained Very Well!

Recent Comments

Peter Marks on Britain’s EF-50 Valve (Tube, Thermatron) in WWII
WN2A on Oscillation! Negative Resistance! Barkhausen Explained Very Well!
Anonymous on Oscillation! Negative Resistance! Barkhausen Explained Very Well!
WN2A on Oscillation! Negative Resistance! Barkhausen Explained Very Well!
Anonymous on Homebrew Hero: Sir Douglas Hall

SolderSmoke Daily News — Ham Radio Blog Proudly powered by WordPress