Wunf 400 [repack] May 2026

The "400" in various technical contexts often relates to specific power outputs or equipment configurations used by the station to cover its rugged mountainous terrain.

After installation, a WUNF 400 may allow a microscopic film of oil past the lip. This is intentional. A totally dry wiper creates heat and friction. A thin film of oil (0.01mm) lubricates the wiper lip. If you see dripping oil, the rod seal (internal) is failing, not the wiper. wunf 400

Comparing the WUNF 400 to Competitors

Broadcast Identity

: WUNF-TV is part of the UNC-TV network (PBS North Carolina). While it is technically identified as Channel 33 on virtual tuners, it operates on a physical RF channel (formerly RF 25, now RF 20 after the FCC repack). The "400" in various technical contexts often relates

Safety First:

Always turn off power before working on the wiring. Never touch AC power terminals while the unit is activated. A totally dry wiper creates heat and friction