R390 Production History
Information mostly provided by Tom N5OFF
| Year | Manufacturer | Order Number | Quantity Built | Comments |
| 1951 | Collins | 14214-PH-51-93 | 4952 | Quantities based on high known Serial Numbers |
| 1951 | Collins | 14226-PH-51-93 | 1412 | |
| 1951 | Motorola (for Collins) | 14214-PH-51-93 | 4952 | |
| 1951 | Motorola (for Collins) | 14241-PH-51-93 | 3449 | |
| 1952 | Motorola | 90-PH-52 | 219 | |
| 1952 | Motorola | 26579-PH-52 | 893 | |
| 1953 | Motorola | 13602-PH-53 | 1134 | High sn is from Jim WB0YGV |
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Total |
17011 | |||