Yes, the proc is horrible. They should either raise the proc chance or the proc range a bit. I know that weapon mods aren't supposed to create uber-dps, but at least it should be close to other mods.

A few of my parses. I included the regular DPS from the beams, to see and compare how many hits were necessary to create a proc, and how "much" DPS they were dishing out. In theory the chance for a proc is 2,5%, but the chance of getting a proc, while another target is within 3 km is much, much lower in most situations, even when using 2 copies of Gravity Well.

**Atrox, 6x Refracting Tetryons Mk. XII [acc]x2, 2x Gravity Well, no FaW**

__Cure Space:__

Tetryon Beam Hits: 2.895

Tetryon Beam DPS: 3.502

Tetryon Refraction Hits: 16

Tetryon Refaction DPS: 19

__Chrystalline Entity:__

Tetryon Beam Hits: 862

Tetryon Beam DPS: 780

Tetryon Refraction Hits: 25

Tetryon Refaction DPS: 24

__Infected Space Elite:__

Tetryon Beam Hits: 1.550

Tetryon Beam DPS: 3.684

Tetryon Refraction Hits: 5

Tetryon Refaction DPS: 4

__Mirror Invasion Run A:__

Tetryon Beam Hits: 978

Tetryon Beam DPS: 2.756

Tetryon Refraction Hits: 6

Tetryon Refaction DPS: 13

__Mirror Invasion Run B:__

Tetryon Beam Hits: 1.029

Tetryon Beam DPS: 2.949

Tetryon Refraction Hits: 2

Tetryon Refaction DPS: 4

__Federation Fleet Alert (Borg)__

Tetryon Beam Hits: 2.327

Tetryon Beam DPS: 2.626

Tetryon Refraction Hits: 17

Tetryon Refaction DPS: 21

so in the End, any purple Tet Array from the exchange with accx2 plus a random modifier would be better than the refracting tet.