Grid Iron
Grid Iron
( December 1987 to March 1990 )
ZX
9
DEC 87
ELK
1
MAR 90
Sources
Electron (Gallup)
| 7 | MONTH to c.88/03/15 | ElU Jun 88 p6 |
| 13 | MONTH to c.88/05/17 | ElU Aug 88 p4 |
| 20 | MONTH to c.88/07/19 | ElU Oct 88 p4 |
| 7 | MONTH to c.88/10/18 | ElU Jan 89 p6 |
| 17 | MONTH to c.90/01/09 | ElU Apr 90 p7 |
| 1 | MONTH to c.90/03/13 | ElU Jun 90 p17 |
Spectrum Budget (Gallup)
| 9 | MONTH to c.87/12/19 | YS #27 Mar 88 p22 |