SCR 197 Ground, mobile; high power radio station. For use at an Air Force base or with large field units. Transmitter Installed In Truck K-18. 3 receivers, plus monitor, installed in Trailer K-19 . Switch selection of master oscillator or any one of five crystal frequencies. Provision for installation of telephone switchboard, teletype and typewriters in trailer K-19. Transmitter can be remotely controlled using voice, tone or CW operation up to a distance of 7-1/2 Mi. of Wire W-110-B. Limited Standard.
Replaced by SCR-399.
Used by Sig.C, AAF, AY, INF.