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
16 Replies
5351 Views
Last post April 25, 2018, 2001 UTC
by Rob.
Telescoping Antenna Mast

Started by bandarr3000

2 Replies
2664 Views
Last post April 26, 2018, 0122 UTC
by bandarr3000
0 Replies
1590 Views
Last post April 27, 2018, 1719 UTC
by ThaDood
Touching MFJ-956 increases gain.

Started by bandarr3000

10 Replies
4471 Views
Last post April 27, 2018, 1828 UTC
by ka1iic
10 Replies
5696 Views
Last post April 30, 2018, 1656 UTC
by Josh
3 Replies
2095 Views
Last post April 30, 2018, 1659 UTC
by Josh
19 Replies
5840 Views
Last post May 15, 2018, 2348 UTC
by Looking-Glass
0 Replies
1965 Views
Last post May 18, 2018, 2252 UTC
by Gino Italy
9 Replies
5381 Views
Last post May 29, 2018, 1723 UTC
by Josh
2 Replies
1771 Views
Last post June 02, 2018, 0153 UTC
by Looking-Glass
0 Replies
4020 Views
Last post June 02, 2018, 1228 UTC
by ChrisSmolinski
8 Replies
3814 Views
Last post June 03, 2018, 1210 UTC
by [tRMZ]
Square or Bent Dipole for Transmit

Started by bandarr3000

6 Replies
3628 Views
Last post June 11, 2018, 1823 UTC
by JimIO
9 Replies
3679 Views
Last post June 12, 2018, 1715 UTC
by Josh
6 Replies
3984 Views
Last post June 14, 2018, 1654 UTC
by Josh
Good CB radio?

Started by Fansome

13 Replies
4150 Views
Last post June 21, 2018, 1105 UTC
by R4002
18 Replies
9277 Views
Last post June 24, 2018, 1859 UTC
by skeezix
2 Replies
2862 Views
Last post July 09, 2018, 1231 UTC
by Josh
3 Replies
2362 Views
Last post July 09, 2018, 2106 UTC
by pinto vortando
1 Replies
2060 Views
Last post July 12, 2018, 1727 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