File list
From HFUnderground
This special page shows all uploaded files. By default the last uploaded files are shown at top of the list.
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Name | User | Size | Description | Versions |
---|---|---|---|---|---|
05:18, 7 June 2015 | CHN4_4.mp3 (file) | Token | 93 KB | 1 | |
05:13, 7 June 2015 | CIS12.jpg (file) | Token | 236 KB | 1 | |
05:12, 7 June 2015 | CIS12.mp3 (file) | Token | 89 KB | 1 | |
17:17, 16 May 2015 | Sv1xv.jpg (file) | SV1XV | 68 KB | (SV1XV QSL card, for use on personal page. ) | 1 |
16:33, 19 April 2015 | CCAT_Radio.jpg (file) | ChrisSmolinski | 218 KB | 1 | |
16:35, 7 April 2015 | Radio_Pluto.png (file) | DimBulb | 145 KB | (Category:Pirate Radio QSLs) | 1 |
16:34, 7 April 2015 | Radio_Voyager.jpg (file) | DimBulb | 144 KB | (Category:Pirate Radio QSLs) | 1 |
16:33, 7 April 2015 | Radio_Duplicado.jpg (file) | DimBulb | 124 KB | (Category:Pirate Radio QSLs) | 1 |
16:33, 7 April 2015 | Radio_Europe.jpg (file) | DimBulb | 220 KB | (Category:Pirate Radio QSLs) | 1 |
16:32, 7 April 2015 | Vivian_Girls_Radio.jpg (file) | DimBulb | 92 KB | (Category:Pirate Radio QSLs) | 1 |
16:32, 7 April 2015 | U_Boat_Radio_66.jpg (file) | DimBulb | 165 KB | (Category:Pirate Radio QSLs) | 1 |
16:31, 7 April 2015 | Free_Thinker_Radio.jpg (file) | DimBulb | 106 KB | (Category:Pirate Radio QSLs) | 1 |
16:31, 7 April 2015 | Studio_52.JPG (file) | DimBulb | 32 KB | (Category:Pirate Radio QSLs) | 1 |
04:28, 24 January 2015 | CODAR.mp3 (file) | Token | 471 KB | (Audio recording of a 4 MHz area CODAR. The recording is done in multiple receiver modes. The first 40 seconds are in USB, the next 40 are in AM, and the final 40 are in LSB.) | 1 |
04:21, 24 January 2015 | CODAR_pulses.jpg (file) | Token | 255 KB | (Amplitude / time image showing a few pulses of a 4 MHz CODAR. In this case the pulse is about 950 microseconds wide, with a 1900 microsecond pulse repetition interval, giving the fairly typical (for CODAR) 50% duty cycle.) | 1 |
04:16, 24 January 2015 | CODAR_sweeps.jpg (file) | Token | 168 KB | (Spectrum image showing the swept width of a typical 4 or 5 MHz CODAR. Typically the swept width gets wider as you go up in frequency bands.) | 1 |
22:07, 11 January 2015 | JT65.jpg (file) | Token | 152 KB | (JT65 in the 20 meter ham band. Note that multiple signals start and stop at the same time.) | 1 |
22:06, 11 January 2015 | JT65.mp3 (file) | Token | 175 KB | (JT65 signal recorded in the ham 20 meter band.) | 1 |
23:22, 30 December 2014 | Rockabilly_Radio_QSL.jpg (file) | ChrisSmolinski | 220 KB | 1 | |
19:36, 27 December 2014 | Psk31_recording.mp3 (file) | ChrisSmolinski | 85 KB | 1 | |
19:27, 27 December 2014 | Fax_signal.mp3 (file) | ChrisSmolinski | 120 KB | 1 | |
19:25, 27 December 2014 | Fax_waterfall.png (file) | ChrisSmolinski | 174 KB | 1 | |
17:28, 27 December 2014 | Robot36C.WAV (file) | ChrisSmolinski | 915 KB | 1 | |
17:05, 27 December 2014 | Sstv_waterfall.png (file) | ChrisSmolinski | 180 KB | 1 | |
06:19, 27 December 2014 | 29B6.mp3 (file) | Token | 235 KB | (Russian 29B6 radar. First 22 seconds of the recording uses an audio bandpass wide enough to capture the entire swept width. Remainder of the recording at more "normal" receiver passband widths, as might be heard by most listeners.) | 1 |
06:16, 27 December 2014 | 29B6.jpg (file) | Token | 195 KB | (Russian 29B6 radar in ~9 kHz wide and 50 Hz rep rate mode of operation.) | 1 |
01:46, 27 December 2014 | UNID002_Pips.mp3 (file) | Token | 328 KB | (Pips recording, three different examples, three different transmission dates.) | 1 |
01:45, 27 December 2014 | UNID001_Sweepers.mp3 (file) | Token | 201 KB | (Sweepers recording, multiple examples but all recorded in the ham 10 meter band.) | 1 |
01:44, 27 December 2014 | UNID002_Pips.jpg (file) | Token | 217 KB | (Image of Pips. 0.0625 second pulse length and 3.0 second pulse interval.) | 1 |
01:43, 27 December 2014 | UNID001_Sweepers.jpg (file) | Token | 185 KB | (Image of sweepers in the ham 10 meter band.) | 1 |
00:09, 15 December 2014 | PLUTO_25Hz.mp3 (file) | Token | 117 KB | (PLUTO radar in its less often used 25 Hz rep rate. In this case the swpet wdith is still 20 kHz, but the sweep repetition rate is only 25 Hz, so the chirp rate is halved. The audio in this recording is only 3 kHz wide, and represents how the signal migh) | 1 |
00:05, 15 December 2014 | PLUTO_50Hz.mp3 (file) | Token | 98 KB | (PLUTO radar in its most common mode of operation, 20 kHz swept width and 50 Hz rep rate. Audio in this recording is only 3 kHz wide and represents what is heard with a standard receiver in USB mode.) | 1 |
00:04, 15 December 2014 | PLUTO.jpg (file) | Token | 278 KB | (PLUTO radar in its most common 20 kHz width mode.) | 1 |
23:49, 14 December 2014 | CIS_50_50.jpg (file) | Token | 166 KB | (CIS 50-50 mode of the T-600 modem, 50 Bd, idle, 200 Hz shift.) | 1 |
23:48, 14 December 2014 | CIS_50_50.mp3 (file) | Token | 118 KB | (CIS 50-50 mode of the T-600 modem, idle, 50 Bd, 200 Hz shift) | 1 |
22:56, 14 December 2014 | S4481_FSK.jpg (file) | Token | 167 KB | (STANAG 4481 FSK image, 75 Bd, 850 Hz, KG-84 encrypted) | 1 |
02:49, 13 December 2014 | ALE_SND.mp3 (file) | Token | 38 KB | (MIL STD 188-141A ALE (Automatic Link Establishment) sounding, 15708 kHz, USB.) | 1 |
02:47, 13 December 2014 | ALE_snd.jpg (file) | Token | 184 KB | (MIL STD 188-141A ALE (Automatic Link Establishment) sounding. 15708 kHz USB.) | 1 |
15:57, 7 December 2014 | Station_QRP.jpg (file) | DimBulb | 279 KB | (Category:Pirate Radio QSLs) | 1 |
15:56, 7 December 2014 | Turkey_Breast_Radio.jpg (file) | DimBulb | 177 KB | (Category:Pirate Radio QSLs) | 1 |
16:25, 5 December 2014 | S4481_FSK.mp3 (file) | Token | 574 KB | (STANAG 4481 FSK with KG-84 frames, 8988 kHz, December 5, 2014, 1610 UTC.) | 1 |
04:14, 4 December 2014 | 16x64_sounder.mp3 (file) | Token | 192 KB | (Sound file of 16 x 64 sounder.) | 1 |
04:11, 4 December 2014 | 16x64_sounder.jpg (file) | Token | 229 KB | (Spectrum image and waterfall of 16 x 64 sounder) | 1 |
13:01, 2 December 2014 | CW_ham_7030.jpg (file) | Token | 240 KB | 1 | |
03:19, 2 December 2014 | USB_ham_14185.jpg (file) | Token | 192 KB | 1 | |
03:18, 2 December 2014 | LSB_ham_7155.jpg (file) | Token | 268 KB | 1 | |
03:11, 2 December 2014 | AM_SWBC_7520.jpg (file) | Token | 257 KB | 1 | |
23:13, 30 November 2014 | LSB-signal.png (file) | ChrisSmolinski | 26 KB | 1 | |
23:11, 30 November 2014 | AM-signal.png (file) | ChrisSmolinski | 30 KB | 1 | |
23:09, 30 November 2014 | USB-signal.png (file) | ChrisSmolinski | 25 KB | 1 |
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