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
2313 Views
Last post December 02, 2012, 1418 UTC
by radio_cosmo
6 Replies
2312 Views
Last post January 03, 2013, 1722 UTC
by Token
3 Replies
2309 Views
Last post April 28, 2013, 0230 UTC
by glimmer twin
3 Replies
2304 Views
Last post November 10, 2019, 1340 UTC
by sat_dxer
5 Replies
2303 Views
Last post June 15, 2016, 2008 UTC
by Jasper26
3 Replies
2298 Views
Last post November 16, 2015, 0200 UTC
by Terry
5 Replies
2287 Views
Last post March 23, 2014, 1722 UTC
by glimmer twin
HM01

Started by Ary-B

6 Replies
2284 Views
Last post April 30, 2019, 2234 UTC
by shadypyro
9 Replies
2283 Views
Last post March 23, 2019, 1536 UTC
by Ary-B
HM01

Started by Ary-B

0 Replies
2281 Views
Last post May 10, 2014, 1021 UTC
by Ary-B
4 Replies
2278 Views
Last post October 31, 2011, 2059 UTC
by Token
2 Replies
2276 Views
Last post December 06, 2009, 0551 UTC
by Lima Indigo
2 Replies
2276 Views
Last post March 31, 2010, 1735 UTC
by 4405486
1 Replies
2265 Views
Last post March 17, 2010, 0120 UTC
by 4405486
3 Replies
2264 Views
Last post February 28, 2017, 1633 UTC
by MDK2
6607.0 CW

Started by KG4ODX

2 Replies
2260 Views
Last post June 19, 2014, 0150 UTC
by KG4ODX
M03

Started by Echo_One

9 Replies
2257 Views
Last post January 21, 2013, 0044 UTC
by desmoface
2 Replies
2248 Views
Last post December 20, 2012, 0456 UTC
by mr. mike
5 Replies
2241 Views
Last post December 06, 2013, 2254 UTC
by ssfahrer
3 Replies
2235 Views
Last post September 21, 2013, 1638 UTC
by desmoface

 

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