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
12 Replies
5239 Views
Last post November 18, 2018, 1208 UTC
by ChrisSmolinski
9 Replies
6441 Views
Last post November 12, 2018, 1836 UTC
by mysticstar
5 Replies
4280 Views
Last post November 08, 2018, 0338 UTC
by mysticstar
0 Replies
2329 Views
Last post October 30, 2018, 0252 UTC
by ThaDood
4 Replies
3464 Views
Last post September 11, 2018, 1627 UTC
by ka1iic
SDRUno 1.24

Started by Josh

1 Replies
4204 Views
Last post August 31, 2018, 0350 UTC
by Josh
6 Replies
5240 Views
Last post August 30, 2018, 0522 UTC
by Pigmeat
SIGID discord.

Started by r4sl

0 Replies
2367 Views
Last post July 21, 2018, 2237 UTC
by r4sl
1 Replies
4255 Views
Last post July 15, 2018, 2037 UTC
by Jason
2 Replies
2425 Views
Last post July 15, 2018, 1816 UTC
by Jason
0 Replies
5401 Views
Last post July 03, 2018, 2023 UTC
by kris
0 Replies
1980 Views
Last post June 12, 2018, 1534 UTC
by IQ_imbalance
2 Replies
2269 Views
Last post June 03, 2018, 1647 UTC
by Josh
6 Replies
4015 Views
Last post June 02, 2018, 0342 UTC
by JimIO
7 Replies
3324 Views
Last post April 30, 2018, 1731 UTC
by Rob.
4 Replies
3042 Views
Last post April 07, 2018, 1833 UTC
by K5KNT
8 Replies
5602 Views
Last post April 03, 2018, 0004 UTC
by HulkSmash
4 Replies
3965 Views
Last post March 27, 2018, 1648 UTC
by mbott
SDR receiver basic questions

Started by Matt285 « 1 2 »

22 Replies
10823 Views
Last post March 07, 2018, 1055 UTC
by Token
4 Replies
3432 Views
Last post February 10, 2018, 2151 UTC
by Gino Italy

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns