A set of 3 beautiful reference books for the 1st Class Land Special Radio Operator exam. No price reduction, so please do not negotiate. ① "1st Class Land Special Radio Engineer Exam Intensive Seminar" Tadahisa Yoshikawa, Tokyo Denki University Press Tax-included list price: 3,410 yen Published in 2025.1, the latest edition. There is a small amount of writing in the beginning of the regulations section with a Frixion pen, otherwise in beautiful condition. ② "1st Class Land Special Radio Operator National Examination Question and Answer Collection (February 2017 - February 2021)" Information and Communications Promotion Association Tax-included list price: 3,080 yen Published in 2021.6 No writing, but there are minor scratches, but it is in beautiful condition. ③ "1st Class Land Special Radio Engineer National Examination Calculation Problem Breakthrough School, Volume 2" Kazuaki Yoshimura, University of Tokyo Press Tax-included list price: 2,200 yen Published in 2022.5, the latest edition. No writing, but there are minor scratches, but it is in beautiful condition. The total tax-included list price is 8,690 yen, but I will sell it for less than half price. Please use it for the 2025 exam (February 2026 exam)! Used items, so no returns or refunds. #books Radio Engineer Radio Operator Special Radio Operator 1st Class 2nd Class 3rd Class CQ QCQ Amateur Radio Operator 1st Class 2nd Class 3rd Class 4th Class #Tadahisa Yoshikawa #Tadahisa_Yoshikawa #books #Electrical/Mechanical/Electronic Communication