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
405 Views
Last post April 01, 2020, 1309 UTC
by ChrisSmolinski
0 Replies
447 Views
Last post February 28, 2018, 1352 UTC
by ChrisSmolinski
0 Replies
294 Views
Last post September 25, 2020, 1130 UTC
by ChrisSmolinski
0 Replies
504 Views
Last post April 22, 2017, 1555 UTC
by ChrisSmolinski
1 Replies
433 Views
Last post January 01, 2019, 0104 UTC
by skeezix
0 Replies
434 Views
Last post November 15, 2017, 1915 UTC
by ChrisSmolinski
0 Replies
343 Views
Last post February 27, 2019, 0000 UTC
by ChrisSmolinski
0 Replies
675 Views
Last post January 13, 2017, 1618 UTC
by ChrisSmolinski
2 Replies
518 Views
Last post August 21, 2019, 1312 UTC
by ChrisSmolinski
0 Replies
310 Views
Last post January 13, 2020, 2126 UTC
by ChrisSmolinski
0 Replies
386 Views
Last post April 19, 2018, 1226 UTC
by ChrisSmolinski
0 Replies
687 Views
Last post February 11, 2017, 1854 UTC
by ChrisSmolinski
0 Replies
402 Views
Last post October 09, 2018, 1226 UTC
by ChrisSmolinski
0 Replies
316 Views
Last post September 20, 2019, 1328 UTC
by ChrisSmolinski
1 Replies
579 Views
Last post August 29, 2017, 1640 UTC
by ChrisSmolinski
0 Replies
288 Views
Last post January 29, 2020, 1540 UTC
by ChrisSmolinski
0 Replies
389 Views
Last post January 09, 2018, 1429 UTC
by ChrisSmolinski
0 Replies
373 Views
Last post May 07, 2018, 1129 UTC
by ChrisSmolinski
2 Replies
455 Views
Last post April 18, 2019, 1414 UTC
by ChrisSmolinski
4 Replies
765 Views
Last post October 24, 2018, 2239 UTC
by ChrisSmolinski

 

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