This page has info on the various modifications to the RA17
Racal’s modifications for the RA17 receiver.
Below is a list of modifications as produced by Racal for the RA17 series of receivers.
| Leaflet Number | Classification | Details | Models | Date |
| M17/1 | All Models n.1 to n.3093 | Removes HT form C129 | All RA17L | |
| M17/2 | Recommended | Isolation of HT voltage fro plug P.L.5 | RA17 N.1 to N.2665 | |
| M17/3 | Recommended | Fitting of mechanical stop to aerial tuning capacitor. | RA17 all models n1 to N2665 | |
| M17/4 | Recommended | Increase in rating of R133 | RA17 all models N1 to N2699 | |
| M17/5 | Recommended | Fitting of fuse in HT Negative Line | RA17 all models N1 to N2665 | |
| M17/6 | Recommended | Added protection to mod M17/1 | RA17 all models N1 to N7039 | |
| M17/7 | Recommended | Reduces RX noise factor above 25MHZ, increases audio response on 13 KHZ BW | RA17L S/N 2999,3000,3094 to 3757 incl | |
| M17/8 | Recommended | Improved fixing of Brake Shoes on locking mechanism | RA17 all models N1 to N6519 | |
| M17/9 | Recommended | Elimination of spurious response at 26MHZ | RA17 all models S/N n3094 to N7200 and N7301 to N7316 | |
| M17/10 | Recommended | changes of fuses FS1 and FS2 | RA17 | |
| M17/11 | Special Order | Modification of RA17L for use with MA350A or MA1350A | RA17L | |
| M17/12 | Special Order | Modification of RA17C-12 for use with MA1350A | RA17-C12 | |
| M17/13-M117/4 | Customer Request | Modification to AGC system on RA17, RA117 for re-broadcast work | RA17/RA117 all models | |
| M17/14 | On failure | Reduction of arcing on switch S5A | RA17 all versions | |
| M17/15 | On failure | Replacement of obsolete AGC delay diode | RA17 | |
| M17/16 | On failure | Replacement of obsolete Neosid RF Transformer. | RA17A/L | |
| M17/17 | On failure | Replacement of 6F33 V4 with 6AS6 | RA17L ( non north American models) | |
| M17/18 | On failure | Fitting of metal clad resistors in R119A,R124 and R136 positions | RA17 | |
| M17/19 | On failure | Replacement of obsolete 32+32 uf Capacitor C198/C206 | RA17 |