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
8 Replies
2050 Views
Last post January 01, 2020, 0618 UTC
by Kilokat7
8 Replies
1277 Views
Last post October 29, 2022, 2246 UTC
by myteaquinn
8 Replies
2496 Views
Last post January 01, 2014, 1500 UTC
by ChrisSmolinski
8 Replies
1452 Views
Last post December 07, 2023, 2256 UTC
by J. Carlos Pérez Montero
8 Replies
1549 Views
Last post December 06, 2023, 1432 UTC
by Ron Hunsicker
8 Replies
1957 Views
Last post December 11, 2015, 2304 UTC
by oly1959
8 Replies
4429 Views
Last post December 28, 2013, 1727 UTC
by ChrisLobdell
8 Replies
1893 Views
Last post May 20, 2018, 1658 UTC
by ChrisSmolinski
8 Replies
1929 Views
Last post March 29, 2025, 0248 UTC
by WPE6HET
8 Replies
1340 Views
Last post October 23, 2022, 0323 UTC
by Pigmeat
8 Replies
1169 Views
Last post April 01, 2025, 2208 UTC
by Treehouse SWL
8 Replies
3699 Views
Last post December 23, 2013, 2353 UTC
by caylorman
8 Replies
2500 Views
Last post February 20, 2017, 2122 UTC
by PirateSWL
8 Replies
2933 Views
Last post December 22, 2013, 2040 UTC
by The Insomniac
8 Replies
2306 Views
Last post February 19, 2017, 1231 UTC
by CoolAM Radio
8 Replies
1969 Views
Last post March 23, 2025, 1309 UTC
by N2MLP
8 Replies
2741 Views
Last post December 05, 2015, 2358 UTC
by ka1iic
8 Replies
1177 Views
Last post November 26, 2023, 1536 UTC
by ChrisLobdell
8 Replies
1620 Views
Last post May 21, 2021, 2337 UTC
by intellman
8 Replies
2450 Views
Last post December 18, 2013, 0055 UTC
by FRM Marco CZ Boder

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns