General Radio Discussion

We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

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Subject / Started by	Replies / Views	Last post
Discord Chat Link & FAQs Started by Beerus Maximus	2 Replies 11543 Views	September 20, 2021, 2013 UTC by Beerus Maximus
Privacy Policy Started by ChrisSmolinski	0 Replies 16400 Views	May 22, 2018, 1204 UTC by ChrisSmolinski
Posting images on the HFU Started by ChrisSmolinski	10 Replies 18298 Views	October 16, 2022, 1606 UTC by MDK2
The HF Underground Wiki Started by ChrisSmolinski	13 Replies 27754 Views	July 01, 2022, 0121 UTC by Teotwaki
Best FCC forfeiture order ever Started by ChrisSmolinski	1 Replies 156 Views	July 29, 2025, 0209 UTC by n2avh
Radio Nigeria Goes Off Air In Kogi As Robbers Attack Station, Steal Equipment Started by ChrisSmolinski	1 Replies 167 Views	Today at 00:11 by East Troy Don
Is there anyone around South Carolina listening? Started by Beachlandscaper	0 Replies 170 Views	July 23, 2025, 1139 UTC by Beachlandscaper
NEW REMOTE MINDREADING SIGNAL! Started by SkyLimit21	1 Replies 173 Views	July 29, 2025, 2115 UTC by Syck0
Woodpecker Project Report: A Preliminary Report Started by autovon	1 Replies 198 Views	July 23, 2025, 2326 UTC by myteaquinn
New book on Peruvian shortwave radio history Started by n2avh	1 Replies 205 Views	July 29, 2025, 1457 UTC by NQC
There's an upcoming International Space Station SSTV event! Started by ChrisSmolinski	0 Replies 423 Views	December 23, 2024, 1534 UTC by ChrisSmolinski
Keep 43 meters weird! Get your HFUnderground t-shirt, mug, and jumbo mug Started by ChrisSmolinski	0 Replies 508 Views	December 18, 2024, 1512 UTC by ChrisSmolinski
Recent Uptick in Coverage of Russian "Buzzer" Station UVB-76 Started by Molvania Poacher	0 Replies 517 Views	June 26, 2025, 2333 UTC by Molvania Poacher
Radio Taiwan International - German Service Tests (June 28) and Broadcasts Started by Ct Yankee	0 Replies 556 Views	June 26, 2025, 1151 UTC by Ct Yankee
PIRATE Act fines increased due to inflation Started by Ct Yankee	1 Replies 559 Views	January 22, 2025, 2307 UTC by radioartisan
Pop Shop Radio Canada Day Specials - DRM version Started by Tony_Pavick	0 Replies 566 Views	July 03, 2025, 1142 UTC by Tony_Pavick
Airspy Black Friday special Started by ChrisSmolinski	0 Replies 575 Views	November 22, 2024, 1920 UTC by ChrisSmolinski
Active Shortwave Pirates (North America) November 2024 Started by Shortwave_Listener	0 Replies 577 Views	December 12, 2024, 0607 UTC by Shortwave_Listener
MOVED: Re: There should be some sort of realtime podcast you can listen to for free Started by ChrisSmolinski	0 Replies 578 Views	March 16, 2020, 1815 UTC by ChrisSmolinski
Letter: For DX With SDRs, It’s Not the Same As It Was Started by ChrisSmolinski	5 Replies 579 Views	July 28, 2025, 1418 UTC by NQC