Shortwave Pirate Radio In North America And Around The World, And Other Signals That Go Bump In The Night
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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The HF Underground Wiki
Started by ChrisSmolinski |
13 Replies
59474 Views |
July 01, 2022, 0121 UTCby Teotwaki |
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Privacy Policy
Started by ChrisSmolinski |
0 Replies
37557 Views |
May 22, 2018, 1204 UTC by ChrisSmolinski |
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Posting images on the HFU
Started by ChrisSmolinski |
10 Replies
47470 Views |
October 16, 2022, 1606 UTC by MDK2 |
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Discord Chat Link & FAQs
Started by ChrisSmolinski |
0 Replies
5357 Views |
May 16, 2026, 2102 UTC by ChrisSmolinski |
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0 Replies
1782 Views |
July 09, 2014, 2307 UTC by Fansome |
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“Hell, if it had knobs, I bought it.”
Started by Fansome |
4 Replies
3444 Views |
March 07, 2016, 2055 UTC by Pigmeat |
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“11-11-11 Gateway Event”
Started by paranoid dxer |
6 Replies
4678 Views |
November 07, 2011, 1316 UTC by Pigmeat |
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2 Replies
3174 Views |
May 06, 2011, 1130 UTC by cmradio |
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‘Voice of America’ exhibition is a fascinating look at early shortwave radio
Started by Fansome |
0 Replies
1922 Views |
July 31, 2019, 0404 UTC by Fansome |
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2 Replies
1986 Views |
April 26, 2020, 2134 UTC by MDK2 |
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1 Replies
2038 Views |
September 20, 2016, 2253 UTC by Pigmeat |
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‘Cracking the Egyptian Code,’ explores hieroglyphics
Started by Fansome |
0 Replies
2761 Views |
August 23, 2012, 0453 UTC by Fansome |
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0 Replies
1851 Views |
August 30, 2013, 2039 UTC by ChrisSmolinski |
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5 Replies
3585 Views |
September 28, 2026, 0818 UTC by Dude111 |
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[UDXF] War Secrets in the Ether
Started by Fansome |
2 Replies
2609 Views |
March 10, 2016, 0502 UTC by Pigmeat |
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[UDXF] utilityradio dot com
Started by Fansome |
0 Replies
1735 Views |
July 05, 2014, 2249 UTC by Fansome |
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[UDXF] utilityradio dot com
Started by Fansome |
0 Replies
2050 Views |
September 23, 2014, 1523 UTC by Fansome |
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[UDXF] USCG to discontinue 2 MHz
Started by Fansome |
4 Replies
2746 Views |
July 14, 2013, 0031 UTC by taschenrechner |
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[UDXF] Unusual request, paranormal radio!
Started by Fansome |
4 Replies
4086 Views |
June 02, 2011, 2041 UTC by Fansome |
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[UDXF] Special KSM MF Transmission 1 November
Started by Fansome |
0 Replies
1936 Views |
October 28, 2014, 0341 UTC by Fansome |
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