It looks like the best/only/least expensive way is VGA cable → VGA/AV adapter → RCA cable → RF modulator → coax2antenna (if needed)
| Item | # needed | # | location | # | location | # | location |
|---|---|---|---|---|---|---|---|
| Dell Power Adapter | 12 | 7 | classroom | 2 | Rye | 2 | John |
| VGA Cable | 12 | 13 | classroom | ||||
| TV | 12 | 5 | classroom | ||||
| audio cable | 12 | ||||||
| coaxial cable | ? | ||||||
| outlets | 26 | ||||||
| laptops | 13 | 12 | |||||
| ethernet cable | 13 | 9 | school | >4 | Keith |