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
11 Replies
1039 Views
Last post December 08, 2022, 0223 UTC
by Pigmeat
0 Replies
429 Views
Last post December 11, 2022, 1641 UTC
by Zerobeat2022
1 Replies
1588 Views
Last post September 24, 2014, 1036 UTC
by VK2DX
0 Replies
1391 Views
Last post April 03, 2014, 1348 UTC
by ChrisSmolinski
2 Replies
1212 Views
Last post May 27, 2018, 1801 UTC
by ChrisSmolinski
0 Replies
1815 Views
Last post April 14, 2018, 1304 UTC
by R4002
0 Replies
968 Views
Last post January 05, 2020, 2232 UTC
by oar9fi
1 Replies
982 Views
Last post May 24, 2019, 2240 UTC
by shadypyro
0 Replies
533 Views
Last post May 09, 2022, 1802 UTC
by ThaDood
3 Replies
1124 Views
Last post April 02, 2020, 2123 UTC
by shadypyro
0 Replies
446 Views
Last post October 06, 2021, 1425 UTC
by R4002
6 Replies
3371 Views
Last post July 05, 2017, 2246 UTC
by R4002
0 Replies
955 Views
Last post June 29, 2017, 1838 UTC
by R4002
0 Replies
1173 Views
Last post June 29, 2017, 0309 UTC
by R4002
0 Replies
1343 Views
Last post July 11, 2017, 2127 UTC
by R4002
Spanish Chanting

Started by jc1974

2 Replies
2212 Views
Last post December 27, 2012, 0023 UTC
by mr. mike
0 Replies
1186 Views
Last post October 01, 2018, 2125 UTC
by shadypyro
0 Replies
643 Views
Last post December 11, 2020, 1637 UTC
by Traveling Wave
0 Replies
487 Views
Last post January 07, 2023, 2243 UTC
by UtilitySeattle
1 Replies
2428 Views
Last post September 30, 2012, 1850 UTC
by ChrisSmolinski

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns