KBPS (AM)
KBPS (1450 kHz) — Oregon shtatining Portlend shahridagi AM diapazonida ishlaydigan o‘rta maktab radiostansiyasi.
Manbalar
Tashqi havolalar
- Facility details for Facility ID 4782 (KBPS) in the FCC Licensing and Management System
- KBPS in Nielsen Audio's AM station database
- KBPS uchun FCC tarixiy kartalari (1927–1980-yillarda KFIF / KBPS sifatida)
- «O‘rta maktab radiostansiyasi KBPS ning dastlabki tarixini o‘rganish», Jennifer Waits, 2015-yil 9-iyun (radiosurvivor.com)
- KBPS ning 2022-yil yanvar oyidagi efir yozuvi
- «AQShdagi eng qadimgi o‘rta maktab radiostansiyasiga tashrifim: Portlenddagi KBPS», Jennifer Waits, 2016-yil 19-yanvar (radiosurvivor.com)
Qo‘shimcha o‘qish uchun
- «Benson Polytechnic School», Education's Own Stations, S. E. Frost, Jr., 1937, 32–33-betlar.
- «Radio in the Public Schools of Portland, Oregon: The Historical Development of Educational Broadcasting in the Public Schools of Portland, Oregon, and of the Schools' Radio Station, KBPS» (falsafa doktori dissertatsiyasi), Patricia L. Green Swenson, 1958.