WELU

WELU (channel 34), branded on-air as CTNi Puerto Rico, is a CTN-affiliated television station licensed to Toa Baja, Puerto Rico. The station is owned by Senda Educational Broadcasting. The station shares transmitter facilities with WSJN-CD (channel 20) at the Monte Renovados La Peña in Bayamon.

Digital channels
The station's digital signal is multiplexed:

Analog-to-digital conversion
On June 12, 2009, WELU signed off analog broadcast and reverting to digital channel.

Spectrum reallocation
On August 14, 2017, it was revealed that WELU's over-the-air spectrum had been sold in the FCC's spectrum reallocation auction, fetching $375,347. WELU will not sign off, but it will later share broadcast spectrum with WSJN-CD that also covers the entire metropolitan area. Also will change their city of license from Aguadilla to Toa Baja.