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 permissable in your locale.

Subject / Started by Last post
3 Replies
1726 Views
Last post February 02, 2013, 1811 UTC
by olddxer
2 Replies
1724 Views
Last post April 21, 2012, 1423 UTC
by skeezix
1 Replies
1723 Views
Last post December 29, 2013, 2209 UTC
by Gino Italy
3 Replies
1713 Views
Last post December 25, 2014, 2229 UTC
by Intersoundradio
1 Replies
1712 Views
Last post July 29, 2016, 0104 UTC
by Terry
4 Replies
1710 Views
Last post June 29, 2013, 0024 UTC
by glimmer twin
4 Replies
1704 Views
Last post June 25, 2013, 2039 UTC
by DimBulb
4 Replies
1703 Views
Last post September 26, 2014, 2342 UTC
by jFarley
3 Replies
1699 Views
Last post November 28, 2018, 1025 UTC
by Ray Lalleu
4 Replies
1694 Views
Last post October 21, 2014, 0659 UTC
by CoolAM Radio
0 Replies
1693 Views
Last post November 21, 2023, 2324 UTC
by Ray Lalleu
8 Replies
1691 Views
Last post September 11, 2016, 0116 UTC
by ChuckRippel
9 Replies
1687 Views
Last post March 02, 2021, 1929 UTC
by Harmony
2 Replies
1686 Views
Last post July 05, 2015, 1117 UTC
by Jari Finland
5 Replies
1686 Views
Last post October 11, 2014, 2323 UTC
by Zane
5 Replies
1685 Views
Last post March 23, 2014, 0010 UTC
by Kilokat7
6 Replies
1683 Views
Last post April 01, 2017, 2223 UTC
by curious george
5 Replies
1683 Views
Last post September 28, 2013, 1821 UTC
by refmo
3 Replies
1680 Views
Last post July 15, 2013, 2311 UTC
by Radio Spaceshuttle
3 Replies
1677 Views
Last post February 03, 2013, 1920 UTC
by Beerus Maximus

 

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