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
6946kHz? wtf?

Started by ETM71

1 Replies
1568 Views
Last post January 30, 2012, 2359 UTC
by ChrisSmolinski
6947-6950 Modem-

Started by rdla4

7 Replies
2380 Views
Last post October 09, 2013, 1239 UTC
by Echo_One
2 Replies
1216 Views
Last post August 04, 2013, 2116 UTC
by ChrisSmolinski
1 Replies
3424 Views
Last post November 28, 2008, 1036 UTC
by cmradio
1 Replies
1035 Views
Last post November 02, 2013, 1240 UTC
by Echo_One
1 Replies
1250 Views
Last post July 14, 2018, 0451 UTC
by KaySeeks
1 Replies
1011 Views
Last post January 21, 2014, 1557 UTC
by ChrisSmolinski
6974.4 CW

Started by Nomadiq

4 Replies
2576 Views
Last post March 06, 2019, 2002 UTC
by R4002
2 Replies
1080 Views
Last post February 16, 2019, 1847 UTC
by Josh
1 Replies
1989 Views
Last post September 23, 2012, 2341 UTC
by rdla4
0 Replies
222 Views
Last post June 28, 2024, 1128 UTC
by Grumpy Grandpa
0 Replies
3873 Views
Last post August 25, 2008, 0915 UTC
by Zoidberg
1 Replies
1428 Views
Last post October 21, 2015, 1247 UTC
by ChrisSmolinski
26 Replies
7182 Views
Last post November 28, 2020, 2341 UTC
by Looking-Glass
2 Replies
1507 Views
Last post February 18, 2018, 1510 UTC
by Token
7.075 on & on & on... 0415GMT

Started by UncleJohn

2 Replies
917 Views
Last post March 05, 2022, 2318 UTC
by UncleJohn
3 Replies
2288 Views
Last post March 13, 2014, 0343 UTC
by AbnersFarm
20 Replies
13971 Views
Last post September 11, 2012, 0113 UTC
by BoomboxDX
1 Replies
3263 Views
Last post September 10, 2008, 2321 UTC
by cmradio
7 Replies
4791 Views
Last post July 17, 2019, 2100 UTC
by Rurik

 

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