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
a busy day

Started by Ary-B

2 Replies
2311 Views
Last post April 11, 2014, 2101 UTC
by Ary-B
2 Replies
3267 Views
Last post March 03, 2019, 1827 UTC
by MDK2
2 Replies
2175 Views
Last post April 07, 2014, 1818 UTC
by tybrad
N&O 198

Started by Ary-B

2 Replies
1450 Views
Last post April 04, 2014, 2215 UTC
by Ary-B
2 Replies
6897 Views
Last post January 23, 2019, 1633 UTC
by Looking-Glass
2 Replies
2382 Views
Last post December 29, 2018, 2213 UTC
by Notofthisearth
2 Replies
459 Views
Last post May 19, 2024, 1120 UTC
by MDK2
V24 V15

Started by Ary-B

2 Replies
1289 Views
Last post November 22, 2018, 1555 UTC
by sat_dxer
2 Replies
1219 Views
Last post September 08, 2018, 1756 UTC
by ChrisSmolinski
2 Replies
5397 Views
Last post March 16, 2014, 1704 UTC
by vhavrilko
2 Replies
1649 Views
Last post September 30, 2018, 1643 UTC
by MDK2
N&O #250

Started by Ary-B

2 Replies
1319 Views
Last post August 02, 2018, 1507 UTC
by MDK2
2 Replies
1309 Views
Last post July 11, 2018, 1513 UTC
by shadypyro
2 Replies
1362 Views
Last post July 31, 2018, 1620 UTC
by MDK2
2 Replies
1601 Views
Last post June 28, 2018, 0506 UTC
by Rizla
S06 058

Started by kalvados

2 Replies
1432 Views
Last post May 24, 2018, 0355 UTC
by kalvados
2 Replies
1476 Views
Last post March 03, 2014, 2327 UTC
by pjennings
2 Replies
1505 Views
Last post April 09, 2018, 0229 UTC
by Strange Beacons
2 Replies
856 Views
Last post October 10, 2023, 0639 UTC
by shadypyro
V13 9522 kHz 0800 Other 02-24-14

Started by vhavrilko

2 Replies
1249 Views
Last post February 25, 2014, 1802 UTC
by vhavrilko

 

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