Difference between revisions of "HF Active Mode Waterfalls Page 1"

Revision as of 16:20, 1 January 2021

Welcome to the HF Active Mode Waterfalls (page 1). To view an image, simply click on it.

ACFs, Audio used for plotting and some waterfalls courtesy of Mike Chace-Ortiz, used with permission.
Additional audio sources include the Numbers and Oddities, Signal ID Wiki and IARU Region 1 Monitoring System websites. See the HF Appendix for the links
Some waterfalls generated by Spectrum Lab

@@ Line 7: / Line 7: @@
 Image:Baudot 75bd 850shift.JPG|Baudot 75 Baud 850 Hz
 Image:CCIR493.JPG|CCIR4493
-</gallery>
-<gallery>
 Image:CODAN Chirp Waterfall.JPG|CODAN CHIRP
-Image:Morse Code Waterfall.JPG|Morse Code (CW)
-Image:WeatherFAX Waterfall.JPG|FAX
 </gallery>
@@ Line 21: / Line 15: @@
 Image:FSK100 625Hz Shift.JPG|FSK100 625 Hz shift
 Image:FSK100740Hz Shift.JPG|FSK100 740 Hz shift
-Image:GMDSS DSC Watefall.JPG|GMDSS
+Image:Morse Code Waterfall.JPG|Morse Code (CW)
+Image:WeatherFAX Waterfall.JPG|FAX
 </gallery>
 <gallery>
-Image:Israeli Navy Waterfall.JPG|Israeli 188-110 MOD
+Image:GMDSS DSC Watefall.JPG|GMDSS
 Image:Jap 8Tone Modem Waterfall.JPG|Jap 8 tone
-Image:DPRK Keguri 600Baud Waterfall.JPG|Keguri 600 baud simplex
+Image:QPSK1500.JPG|Jap Slot Machine
-Image:DPRK 600baud Duplex.JPG|Keguri 600 baud duplex
+Image:DPRK 600Baud ACF.JPG|Keguri 600 baud
-Image:DPRK 1200 Baud Waterfall.JPG|Keguri 1200 baud
 </gallery>
 ==Bit and ACF Analysis==
 * [[Decoders#Autocorrelation_Bit_and_ACF_Analysis|What is an ACF?]]
-<gallery>
-Image:Baudot 50bd 425Hz ACF.JPG|Baudot 50 Baud
-Image:GMDSS HF ACF.JPG|GMDSS
-Image:Japanese 8 Tone ACF.JPG|Jap 8 tone ACF
-Image:DPRK 600Baud ACF.JPG|Keguri 600 baud
-</gallery>
 ==Notes==