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
0 Replies
361 Views
Last post January 09, 2022, 1027 UTC
by Ray Lalleu
1 Replies
552 Views
Last post January 22, 2022, 1229 UTC
by Ethernut
0 Replies
367 Views
Last post January 08, 2022, 1515 UTC
by Ray Lalleu
1 Replies
508 Views
Last post January 23, 2022, 1516 UTC
by Bali_Frank
1 Replies
341 Views
Last post October 30, 2022, 1004 UTC
by Ray Lalleu
0 Replies
397 Views
Last post April 03, 2022, 1500 UTC
by dxace1
1 Replies
448 Views
Last post May 07, 2022, 0923 UTC
by Ethernut
1 Replies
542 Views
Last post December 09, 2021, 1001 UTC
by europirate
1 Replies
471 Views
Last post January 08, 2022, 1001 UTC
by dave1965
2 Replies
570 Views
Last post March 20, 2022, 1117 UTC
by europirate
2 Replies
680 Views
Last post December 10, 2021, 1539 UTC
by dxace1
1 Replies
341 Views
Last post October 08, 2022, 1045 UTC
by Ray Lalleu
0 Replies
366 Views
Last post December 24, 2021, 1259 UTC
by FOX
0 Replies
462 Views
Last post December 26, 2021, 1313 UTC
by ukdxer
1 Replies
402 Views
Last post April 15, 2022, 1537 UTC
by Bali_Frank
1 Replies
523 Views
Last post March 20, 2022, 1631 UTC
by Ethernut
1 Replies
316 Views
Last post April 21, 2024, 0833 UTC
by Fisherman
0 Replies
373 Views
Last post January 20, 2022, 0909 UTC
by FOX
2 Replies
338 Views
Last post November 06, 2022, 0934 UTC
by Bali_Frank
2 Replies
577 Views
Last post December 27, 2021, 1129 UTC
by europirate

 

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