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arunisaac (arunisaac@social.systemreboot.net)'s status on Wednesday, 12-Dec-2018 15:44:40 EST arunisaac
No, 40 m is 7.5 MHz. The 'm' after 40 refers to metres, not milli. The wavelength is 40 m. Therefore, the frequency is 3e8/40 = 7.5 MHz.