The decline in revenue was attributed to a lower renewal rate from a North American DTH customer, and to a smaller degree, the loss of revenue from short-term services to a satellite operator in 2021 that didn't repeat itself in 2022.

Source: https://seekingalpha.com/article/4591661-telesat-losing-momentum-2023-lots-of-risk-ahead?source=feed_all_articles

The remaining 11% represents, in particular, DTH revenues, which remained relatively stable, just a little smaller than in Q4.

Source: https://seekingalpha.com/article/4611778-oi-s-oibzq-q1-2023-earnings-call-transcript?source=feed_all_articles