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
BC 348 R

Started by Gino Italy

0 Replies
1328 Views
Last post May 28, 2016, 1343 UTC
by Gino Italy
0 Replies
1330 Views
Last post October 22, 2023, 1730 UTC
by ThaDood
1 Replies
1340 Views
Last post October 18, 2024, 0211 UTC
by RobRich
You Loop

Started by NJQA

0 Replies
1350 Views
Last post September 20, 2020, 1429 UTC
by NJQA
0 Replies
1352 Views
Last post February 17, 2023, 1847 UTC
by ThaDood
0 Replies
1353 Views
Last post January 07, 2024, 2124 UTC
by Greyline DXing
0 Replies
1353 Views
Last post September 27, 2024, 1035 UTC
by Oliver
0 Replies
1358 Views
Last post March 27, 2018, 2011 UTC
by Daniel Wyllyans
Fan dipole

Started by Matt285

1 Replies
1361 Views
Last post December 13, 2019, 2316 UTC
by Josh
0 Replies
1363 Views
Last post July 03, 2017, 2227 UTC
by Gino Italy
0 Replies
1372 Views
Last post October 15, 2018, 1813 UTC
by Daniel Wyllyans
1 Replies
1375 Views
Last post September 13, 2022, 1400 UTC
by ChrisSmolinski
0 Replies
1380 Views
Last post January 06, 2017, 2303 UTC
by VK3BVW
0 Replies
1381 Views
Last post August 28, 2024, 1724 UTC
by Gino Italy
0 Replies
1384 Views
Last post January 14, 2018, 1910 UTC
by digitalmod
0 Replies
1391 Views
Last post July 18, 2018, 1054 UTC
by Sealord
0 Replies
1399 Views
Last post May 24, 2019, 2157 UTC
by ChrisSmolinski
2 Replies
1416 Views
Last post July 16, 2020, 1644 UTC
by ChrisSmolinski
3 Replies
1421 Views
Last post October 14, 2019, 2222 UTC
by Matt285
Receiver Advice

Started by echo65

6 Replies
1423 Views
Last post August 01, 2025, 0746 UTC
by BoomboxDX

 

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