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
1 Replies
2402 Views
Last post November 22, 2012, 1707 UTC
by BDM
9 Replies
2405 Views
Last post December 30, 2022, 2153 UTC
by Pigmeat
2 Replies
2411 Views
Last post April 27, 2013, 0418 UTC
by RCCI
7 Replies
2424 Views
Last post February 24, 2014, 0034 UTC
by jFarley
5 Replies
2427 Views
Last post November 09, 2014, 0052 UTC
by BigAl
3 Replies
2438 Views
Last post November 08, 2018, 1547 UTC
by R4002
0 Replies
2444 Views
Last post October 20, 2012, 0509 UTC
by Kilokat7
3 Replies
2448 Views
Last post May 30, 2018, 0113 UTC
by ChrisLobdell
2 Replies
2460 Views
Last post April 28, 2013, 1942 UTC
by BDM
3 Replies
2461 Views
Last post October 30, 2017, 1004 UTC
by ChrisSmolinski
2 Replies
2461 Views
Last post March 04, 2013, 1454 UTC
by BDM
3 Replies
2473 Views
Last post January 13, 2019, 1641 UTC
by bds2
2 Replies
2494 Views
Last post March 11, 2013, 2317 UTC
by BDM
4 Replies
2498 Views
Last post December 02, 2015, 0151 UTC
by jFarley
0 Replies
2506 Views
Last post September 29, 2012, 0233 UTC
by Kilokat7
10 Replies
2508 Views
Last post October 19, 2019, 1930 UTC
by JimIO
4 Replies
2519 Views
Last post February 15, 2018, 1515 UTC
by ChrisSmolinski
1 Replies
2521 Views
Last post February 03, 2013, 0627 UTC
by Kilokat7
8 Replies
2528 Views
Last post October 19, 2014, 0249 UTC
by BDM
2 Replies
2540 Views
Last post March 17, 2013, 1327 UTC
by skeezix

 

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