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
2 Replies
4598 Views
Last post May 07, 2019, 2028 UTC
by Stretchyman
0 Replies
3481 Views
Last post May 03, 2019, 1643 UTC
by jta
Palstar R30cc

Started by ToddV

6 Replies
4654 Views
Last post May 02, 2019, 2032 UTC
by Josh
4 Replies
6793 Views
Last post April 25, 2019, 0151 UTC
by Beaner
4 Replies
4470 Views
Last post April 23, 2019, 1118 UTC
by Pigmeat
2 Replies
3681 Views
Last post April 07, 2019, 1241 UTC
by Laidbackdx
2 Replies
4319 Views
Last post March 16, 2019, 0952 UTC
by Stretchyman
1 Replies
4075 Views
Last post February 10, 2019, 1249 UTC
by Rob.
sold

Started by legis225

3 Replies
4606 Views
Last post January 26, 2019, 1634 UTC
by legis225
0 Replies
2886 Views
Last post January 23, 2019, 1314 UTC
by IQ_imbalance
1 Replies
2862 Views
Last post January 08, 2019, 1613 UTC
by CoolAM Radio
3 Replies
3895 Views
Last post December 07, 2018, 1856 UTC
by Stretchyman
0 Replies
3377 Views
Last post November 24, 2018, 2114 UTC
by ChrisSmolinski
0 Replies
3244 Views
Last post November 18, 2018, 2021 UTC
by jta
10 Replies
6253 Views
Last post November 15, 2018, 2102 UTC
by Stretchyman
2 Replies
3290 Views
Last post September 07, 2018, 2308 UTC
by Josh
0 Replies
2497 Views
Last post September 04, 2018, 2025 UTC
by Sealord
3 Replies
3102 Views
Last post August 29, 2018, 1822 UTC
by jta
Possible SCAM

Started by dxace1

0 Replies
2596 Views
Last post August 29, 2018, 1804 UTC
by dxace1
Perseus for sale

Started by blw

8 Replies
4175 Views
Last post August 28, 2018, 0502 UTC
by Josh

 

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