SSTV
From PBARC
Slow-Scan Television (SSTV) refers to any method of sending pictures over amateur radio. Although the vast majority of SSTV activity uses computers for modulation and demodulation (similar to many digital modes), most SSTV modes are analog.
Samples
Robot
Robot 36
36 seconds per picture
Robot 72
72 seconds (1 minute 12 seconds) per picture
Scottie
Scottie 1
Scottie 2
Scottie DX
Martin
Martin 1
Martin 2
PD
PD 50
50 seconds per picture
PD 90
90 seconds (1 minute 30 seconds) per picture
PD 120
120 seconds (2 minutes) per picture
PD 160
160 seconds (2 minutes 40 seconds) per picture
PD 180
180 seconds (3 minutes) per picture
PD 240
240 seconds (4 minutes) per picture
PD 290
290 seconds (4 minutes 50 seconds) per picture