Mode family
Martin SSTV modes
This family page groups modes by shared timing style and operating role.4 rows are implemented by SSTV Signal Desk; reference rows document public analog SSTV history and compatibility.
| Mode | Family | Status | Duration | Frame | VIS | Color | Sequence | Notes |
|---|---|---|---|---|---|---|---|---|
| HQ1 | Martin | Reference only | 90 s | 320 x 256 | VIS 41 | YCrCb | Y-RY-BY | Martin HQ1 is a high-quality Martin-family reference mode using color-difference coding rather than the classic Martin RGB line order. |
| HQ2 | Martin | Reference only | 112 s | 320 x 256 | VIS 42 | YCrCb | Y-RY-BY | Martin HQ2 is a longer high-quality Martin-family reference mode with the same 320 x 256 raster as HQ1. |
| HQ3 | Martin | Needs verification | 63 s | 320 x 144 | VIS unknown in OK2MNM table | YCrCb | Y-RY-BY | Martin HQ3 is listed as a 63 s, 320 x 144 YCrCb high-quality Martin-family mode, but the checked table does not publish its VIS code. |
| HQ4 | Martin | Needs verification | 51 s | 320 x 144 | VIS unknown in OK2MNM table | YCrCb | Y-RY-BY | Martin HQ4 is listed as a 51 s, 320 x 144 YCrCb high-quality Martin-family mode, but the checked table does not publish its VIS code. |
| M1 | Martin | Supported in app | 114.297 s | 320 x 256 | VIS 44 (0x2C) | RGB | G-B-R | Classic HF color SSTV and compatibility testing. |
| M2 | Martin | Supported in app | 58.064 s | 320 x 256 | VIS 40 (0x28) | RGB | G-B-R | Martin family analog SSTV operation and compatibility reference. |
| M3 | Martin | Supported in app | 57.145 s | 320 x 128 | VIS 36 (0x24) | RGB | G-B-R | Martin family analog SSTV operation and compatibility reference. |
| M4 | Martin | Supported in app | 29.030 s | 320 x 128 | VIS 32 (0x20) | RGB | G-B-R | Martin family analog SSTV operation and compatibility reference. |