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.

Subject / Started by Last post
13 Replies
2181 Views
Last post November 09, 2019, 2310 UTC
by Skipmuck
13 Replies
3266 Views
Last post January 01, 2015, 0218 UTC
by Ross Comeau
13 Replies
4300 Views
Last post April 09, 2017, 1251 UTC
by jFarley
13 Replies
1400 Views
Last post October 15, 2024, 2307 UTC
by Ron Hunsicker
13 Replies
1472 Views
Last post May 21, 2023, 0452 UTC
by MDK2
13 Replies
2101 Views
Last post June 03, 2018, 1309 UTC
by ChrisSmolinski
13 Replies
1382 Views
Last post August 14, 2022, 0402 UTC
by Zoidberg
13 Replies
3306 Views
Last post September 16, 2012, 2141 UTC
by Nella F.
13 Replies
3947 Views
Last post March 16, 2014, 1849 UTC
by ChrisSmolinski
13 Replies
1198 Views
Last post August 14, 2022, 0320 UTC
by corq
13 Replies
1389 Views
Last post May 13, 2023, 2236 UTC
by Pigmeat
13 Replies
1729 Views
Last post May 11, 2021, 0147 UTC
by Crellitor
13 Replies
3845 Views
Last post May 02, 2016, 1741 UTC
by ByteBORG
13 Replies
2240 Views
Last post May 26, 2018, 1703 UTC
by ChrisSmolinski
13 Replies
2048 Views
Last post May 27, 2018, 0229 UTC
by MDK2
13 Replies
3380 Views
Last post March 14, 2014, 1213 UTC
by ChrisSmolinski
13 Replies
3125 Views
Last post December 26, 2014, 1402 UTC
by Ron Hunsicker
13 Replies
2619 Views
Last post January 12, 2020, 1056 UTC
by Pigmeat
13 Replies
1528 Views
Last post July 31, 2022, 0251 UTC
by Bali_Frank
13 Replies
1310 Views
Last post October 13, 2024, 0236 UTC
by Shortwave_Listener

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns