| Year | Type Grassmann see also RFW | Ref. | Tubes |
| Samoa WL | 3LN107 | AK1, RENS1284, AB1, RENS1284, RES964, REN904 | |
| Simba GW | 3LN108 | CH1, CL2, CY2 | |
| Simba W | 3LN109 | AH1, AL1, AZ1 | |
| Tabora IIW | 3LN110 | 2*RENS1284, RES964, RGN1064 | |
| Togo WL | 3LN111 | RENS1284, RES964, RGN1064 |