User contributions
From HFUnderground
- 15:05, 4 November 2018 (diff | hist) KiwiSDR
- 17:17, 29 August 2015 (diff | hist) m Signal Identification (→Non Communications Modes)
- 21:10, 4 July 2015 (diff | hist) N File:Win7 07.jpg (top)
- 21:10, 4 July 2015 (diff | hist) N File:Win7 06.jpg (top)
- 21:09, 4 July 2015 (diff | hist) N File:Win7 05.jpg (top)
- 21:09, 4 July 2015 (diff | hist) N File:Win7 04.jpg (top)
- 21:09, 4 July 2015 (diff | hist) N File:Win7 03.jpg (top)
- 21:06, 4 July 2015 (diff | hist) N File:Win7 02.jpg (top)
- 21:05, 4 July 2015 (diff | hist) N File:Win7 01.jpg (top)
- 21:04, 4 July 2015 (diff | hist) N File:XP 05.jpg (top)
- 21:03, 4 July 2015 (diff | hist) N File:XP 04.jpg (top)
- 21:03, 4 July 2015 (diff | hist) N File:XP 03.jpg (top)
- 21:02, 4 July 2015 (diff | hist) N File:XP 02.jpg (top)
- 21:02, 4 July 2015 (diff | hist) Windows Audio Routing
- 21:00, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:59, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:58, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:55, 4 July 2015 (diff | hist) N File:XP 01.jpg (top)
- 20:55, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:53, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:48, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:48, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:46, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:44, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:43, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:42, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:40, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:40, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:39, 4 July 2015 (diff | hist) m Windows Audio Routing
- 20:38, 4 July 2015 (diff | hist) Windows Audio Routing (Initial entry, no formatting yet)
- 05:18, 7 June 2015 (diff | hist) N File:CHN4 4.jpg
- 05:18, 7 June 2015 (diff | hist) N File:CHN4 4.mp3 (top)
- 05:17, 7 June 2015 (diff | hist) Signal Identification (→PSK Modes: added CHN 4+4 PSK mode)
- 05:13, 7 June 2015 (diff | hist) N File:CIS12.jpg
- 05:12, 7 June 2015 (diff | hist) N File:CIS12.mp3 (top)
- 05:12, 7 June 2015 (diff | hist) Signal Identification (→PSK Modes: added CIS12 mode)
- 04:30, 24 January 2015 (diff | hist) m File:CODAR pulses.jpg
- 04:28, 24 January 2015 (diff | hist) N File:CODAR.mp3 (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.) (top)
- 04:21, 24 January 2015 (diff | hist) N File:CODAR pulses.jpg (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.)
- 04:16, 24 January 2015 (diff | hist) N File:CODAR sweeps.jpg (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.)
- 04:15, 24 January 2015 (diff | hist) m Signal Identification (→Non Communications Modes)
- 04:13, 24 January 2015 (diff | hist) Signal Identification (→Non Communications Modes: Added CODAR entry)
- 22:07, 11 January 2015 (diff | hist) N File:JT65.jpg (JT65 in the 20 meter ham band. Note that multiple signals start and stop at the same time.)
- 22:06, 11 January 2015 (diff | hist) N File:JT65.mp3 (JT65 signal recorded in the ham 20 meter band.) (top)
- 22:04, 11 January 2015 (diff | hist) Signal Identification (→MFSK Modes: Added JT65 entry)
- 13:50, 28 December 2014 (diff | hist) m Signal Identification
- 15:56, 27 December 2014 (diff | hist) N 4481 FSK (Initial STANAG 4481 FSK page entry) (top)
- 15:32, 27 December 2014 (diff | hist) m Signal Identification (→Non Communications Modes: PLUTO entry mod)
- 15:23, 27 December 2014 (diff | hist) m Signal Identification (→FSK Modes)
- 15:14, 27 December 2014 (diff | hist) m STANAG (top)
- 15:09, 27 December 2014 (diff | hist) N STANAG (Initial STANAG page entry, could certainly stand to be fleshed out a bit)
- 14:46, 27 December 2014 (diff | hist) m Signal Identification (→FSK Modes: Added link to STANAG page, page not yet written)
- 14:37, 27 December 2014 (diff | hist) m Signal Identification (→Non Communications Modes)
- 14:35, 27 December 2014 (diff | hist) m Signal Identification (→Spectrum Image)
- 06:21, 27 December 2014 (diff | hist) m Signal Identification (→Non Communications Modes: Spelling fix)
- 06:19, 27 December 2014 (diff | hist) N File:29B6.mp3 (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.) (top)
- 06:16, 27 December 2014 (diff | hist) N File:29B6.jpg (Russian 29B6 radar in ~9 kHz wide and 50 Hz rep rate mode of operation.)
- 06:15, 27 December 2014 (diff | hist) Signal Identification (Added Russian 29B6 radar)
- 01:46, 27 December 2014 (diff | hist) N File:UNID002 Pips.mp3 (Pips recording, three different examples, three different transmission dates.) (top)
- 01:45, 27 December 2014 (diff | hist) N File:UNID001 Sweepers.mp3 (Sweepers recording, multiple examples but all recorded in the ham 10 meter band.) (top)
- 01:44, 27 December 2014 (diff | hist) N File:UNID002 Pips.jpg (Image of Pips. 0.0625 second pulse length and 3.0 second pulse interval.)
- 01:43, 27 December 2014 (diff | hist) N File:UNID001 Sweepers.jpg (Image of sweepers in the ham 10 meter band.)
- 01:42, 27 December 2014 (diff | hist) Signal Identification (Added links to Pips and Sweepers recordings)
- 01:39, 27 December 2014 (diff | hist) Signal Identification (→Unidentified Signals: Added images for sweepers and pips)
- 14:04, 26 December 2014 (diff | hist) Signal Identification (→Unidentified Signals)
- 14:04, 26 December 2014 (diff | hist) m Signal Identification (→Unidentified Signals)
- 17:14, 15 December 2014 (diff | hist) m Signal Identification
- 16:42, 15 December 2014 (diff | hist) Signal Identification
- 11:44, 15 December 2014 (diff | hist) m Signal Identification
- 00:09, 15 December 2014 (diff | hist) N File:PLUTO 25Hz.mp3 (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) (top)
- 00:06, 15 December 2014 (diff | hist) Signal Identification
- 00:05, 15 December 2014 (diff | hist) N File:PLUTO 50Hz.mp3 (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.) (top)
- 00:04, 15 December 2014 (diff | hist) N File:PLUTO.jpg (PLUTO radar in its most common 20 kHz width mode.)
- 00:03, 15 December 2014 (diff | hist) Signal Identification (Added PLUTO image links and audio links)
- 23:49, 14 December 2014 (diff | hist) N File:CIS 50 50.jpg (CIS 50-50 mode of the T-600 modem, 50 Bd, idle, 200 Hz shift.)
- 23:48, 14 December 2014 (diff | hist) N File:CIS 50 50.mp3 (CIS 50-50 mode of the T-600 modem, idle, 50 Bd, 200 Hz shift) (top)
- 23:47, 14 December 2014 (diff | hist) Signal Identification (Added CIS 50-50 mode, audio rec, and image)
- 23:09, 14 December 2014 (diff | hist) Signal Identification (Added CIS 36-50 image and recording links)
- 22:56, 14 December 2014 (diff | hist) N File:S4481 FSK.jpg (STANAG 4481 FSK image, 75 Bd, 850 Hz, KG-84 encrypted)
- 22:55, 14 December 2014 (diff | hist) Signal Identification (Added link to STANAG 4481 image)
- 02:50, 13 December 2014 (diff | hist) Signal Identification
- 02:49, 13 December 2014 (diff | hist) N File:ALE SND.mp3 (MIL STD 188-141A ALE (Automatic Link Establishment) sounding, 15708 kHz, USB.) (top)
- 02:47, 13 December 2014 (diff | hist) N File:ALE snd.jpg (MIL STD 188-141A ALE (Automatic Link Establishment) sounding. 15708 kHz USB.)
- 02:46, 13 December 2014 (diff | hist) Signal Identification
- 18:40, 5 December 2014 (diff | hist) Signal Identification
- 18:39, 5 December 2014 (diff | hist) Signal Identification (Add comment at top still under construction)
- 18:35, 5 December 2014 (diff | hist) Signal Identification
- 17:46, 5 December 2014 (diff | hist) Signal Identification (Spelling)
- 17:43, 5 December 2014 (diff | hist) Signal Identification (Added Unidentified Signals areas)
- 16:29, 5 December 2014 (diff | hist) Signal Identification (Added STANAG 4481 FSK recording)
- 16:25, 5 December 2014 (diff | hist) N File:S4481 FSK.mp3 (STANAG 4481 FSK with KG-84 frames, 8988 kHz, December 5, 2014, 1610 UTC.) (top)
- 15:45, 5 December 2014 (diff | hist) Signal Identification (spelling)
- 15:37, 5 December 2014 (diff | hist) Signal Identification (Cleaned up format)
- 15:35, 5 December 2014 (diff | hist) Signal Identification (cleaned up format)
- 15:33, 5 December 2014 (diff | hist) Signal Identification (Added links ot external radios)
- 15:27, 5 December 2014 (diff | hist) Signal Identification (Tweaked HF Mystery Links)
- 15:21, 5 December 2014 (diff | hist) Signal Identification (Added HFU HF Mystery Signals link)
- 15:13, 5 December 2014 (diff | hist) Signal Identification (Adjusted format, added levels of information)
- 15:08, 5 December 2014 (diff | hist) Signal Identification (Added basic reasons for the page to be here, and general outline of format used.)
- 14:59, 5 December 2014 (diff | hist) Signal Identification
- 04:20, 4 December 2014 (diff | hist) Signal Identification
- 04:19, 4 December 2014 (diff | hist) Signal Identification
- 04:14, 4 December 2014 (diff | hist) N File:16x64 sounder.mp3 (Sound file of 16 x 64 sounder.) (top)
- 04:14, 4 December 2014 (diff | hist) Signal Identification
- 04:11, 4 December 2014 (diff | hist) N File:16x64 sounder.jpg (Spectrum image and waterfall of 16 x 64 sounder)
- 16:35, 2 December 2014 (diff | hist) Signal Identification
- 16:18, 2 December 2014 (diff | hist) Signal Identification
- 16:17, 2 December 2014 (diff | hist) Signal Identification
- 16:16, 2 December 2014 (diff | hist) Signal Identification
- 13:06, 2 December 2014 (diff | hist) Signal Identification
- 13:01, 2 December 2014 (diff | hist) N File:CW ham 7030.jpg
- 03:20, 2 December 2014 (diff | hist) Signal Identification
- 03:19, 2 December 2014 (diff | hist) N File:USB ham 14185.jpg
- 03:18, 2 December 2014 (diff | hist) N File:LSB ham 7155.jpg
- 03:17, 2 December 2014 (diff | hist) Signal Identification
- 03:15, 2 December 2014 (diff | hist) Signal Identification
- 03:11, 2 December 2014 (diff | hist) N File:AM SWBC 7520.jpg
- 04:42, 1 December 2014 (diff | hist) Signal Identification
- 03:40, 1 December 2014 (diff | hist) Signal Identification
- 03:21, 1 December 2014 (diff | hist) Signal Identification
- 14:49, 20 November 2011 (diff | hist) Letter beacon
- 02:55, 29 October 2010 (diff | hist) M94 (→Notes and references) (top)
- 02:54, 29 October 2010 (diff | hist) M94 (→Schedule)
- 02:53, 29 October 2010 (diff | hist) V24 (→Schedule)
- 02:52, 29 October 2010 (diff | hist) N File:Sched V2 Oct2010.jpg (top)
- 02:50, 29 October 2010 (diff | hist) V24 (→Schedule)
- 19:53, 10 October 2010 (diff | hist) m M94 (→M94, MCW, 5f, 4500, 5115, and 5715 kHz)
- 18:38, 17 February 2010 (diff | hist) m V24
- 11:51, 16 February 2010 (diff | hist) M94
- 11:46, 16 February 2010 (diff | hist) M94
- 11:44, 16 February 2010 (diff | hist) M94
- 11:39, 16 February 2010 (diff | hist) V24
- 11:35, 16 February 2010 (diff | hist) V24
- 11:35, 16 February 2010 (diff | hist) V24
- 20:59, 22 October 2009 (diff | hist) V24
- 19:00, 6 October 2009 (diff | hist) V24
- 13:33, 17 September 2009 (diff | hist) V24
- 14:28, 16 September 2009 (diff | hist) V24
- 13:24, 16 September 2009 (diff | hist) V24
- 16:27, 15 September 2009 (diff | hist) V24
- 16:11, 15 September 2009 (diff | hist) M94
- 16:09, 15 September 2009 (diff | hist) M94
- 16:07, 15 September 2009 (diff | hist) M94
- 16:07, 15 September 2009 (diff | hist) M94
- 14:05, 15 September 2009 (diff | hist) N M94 (New page: 4500, 5115, and 5715 kHz)
- 14:04, 15 September 2009 (diff | hist) Spy Numbers Stations
- 14:00, 15 September 2009 (diff | hist) m V24
- 22:35, 1 June 2009 (diff | hist) V24 (→V24, YL, KK, 5f, 4f, 4500, 4600, 5115, 5715, and 6215 kHz)
- 04:05, 24 May 2009 (diff | hist) V24
- 03:48, 24 May 2009 (diff | hist) N File:V24 6215 04192009 1400 ID.mp3
- 03:45, 24 May 2009 (diff | hist) V24 (→V24, YL, KK, 5f, 4f, 4500, 4600, 5115, 5715, and 6215 kHz)
- 03:18, 24 May 2009 (diff | hist) V24 (→V24, YL, KK, 5f, 4f, 4500, 4600, 5115, 5715, and 6215 kHz)
- 03:12, 24 May 2009 (diff | hist) V24
- 11:34, 26 April 2009 (diff | hist) High Frequency Beacon (→Reported High Frequency Beacons)
- 11:33, 26 April 2009 (diff | hist) High Frequency Beacon (→Reported High Frequency Beacons)
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