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Chapter 784: Li Kui and Li Gui

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    In the sky, Banhua Zhengcun, the captain of the flight squadron, was a little confused.

    what happened?

    Before taking off, their squadron received the task of rescuing the 20th Division. When they first received this task, Banhua Zhengcun was a little skeptical. It doesn't sound like it's true.  .

    They are not fighter jets, nor are they light bombers. Their flying squadron is all Type 97 heavy bombers. There is a 950-horsepower Nakajima engine on each side of the wing. They are the main bombers on the Chinese battlefield.  Every time it takes off and lands, it consumes a lot of resources. Therefore, good steel is used wisely. Since their bomber squadron is going to take off and fight, it must be a key task.

    What now?  The current task sounds a little unbelievable. He knows the 20th Division. This division is quite brave. It fights extremely vigorously with the main forces of the national army.  Was beaten to the ground by the Eighth Route Army?  It shouldn't be.

    However, the order came very urgently, so Banhua Zhengcun didn't hesitate at all, and immediately led his fleet to take off, searched carefully in the Taihang Mountains, and finally came to the outskirts of the troops that needed reinforcements, but now, there appeared  There was an unexpected turn of events.

    Who exactly needs support?

    Why are there two voices in the radio?

    Radios in this era do not have high security, especially voice communication. After all, this is the era of analog circuits using electronic tubes, not the era of digital circuits that can be encrypted at any time in later generations. Radios in this era use voice communication.  At that time, radio stations with the same frequency could receive it. If we give an example, it would be the same as the walkie-talkies of later generations. When one person speaks, the same model of walkie-talkies can hear it. It is simply broadcast.

    Needless to say, radio stations, even a radio, if you are lucky enough, can receive their voice communications.

    However, voice communication is characterized by a short distance, generally tens of kilometers, so it is generally used when the aircraft fleet communicates with each other. In fierce air combat, voice calls are the most direct way. As for the issue of confidentiality, as long as  It is not easy for the other party to respond when using the code name when calling. As long as the other party does not know what the other party is calling for a short time, that is enough.

    Ordinary fighter jets use voice communication. Only two-seater lead planes will be equipped with a dedicated radio operator to communicate by telegraph.

    Compared with voice, the distance of telegram is much farther, often hundreds or even thousands of kilometers. At the same time, the confidentiality of telegram is also high enough. After all, the ticking sound transmitted by telegram is actually a binary  , the dot and the horizontal represent zero and one respectively, how to combine and encode them will have a certain amount of knowledge.  That's a question for mathematicians to work on.

    In the East, there is no such need. After all, the level of war in the East is not high. If it goes to the West, it will be different. In this era of European battlefields, the deciphering and decryption of telegrams is the focus of research by many experts.  The first electronic computer was actually used to calculate passwords.

    In this era, telegraphs are used to secure communications. Ordinary telegraph operators are not mathematicians. They do not have advanced knowledge. However, they also have a way to deal with it, that is, codebooks!

    As long as the passwords are grouped in advance to form a codebook, when the time comes, just check the codebook directly.

    At this time, Li Kui and Li Gui were arguing endlessly, listening to the chattering voice on the radio, so Banhua Zhengcun was also annoyed, and shouted: "Turn off the radio voice communication, use the telegram to communicate!"

    They are bombers, with a navigator on the nose, a cockpit on the nose, and a machine gunner on the back. Therefore, there are a large number of people, and naturally there are special telegraph operators.

    Voice communication is already indistinguishable, so let's use a telegram to confirm it!

    For Banhua Zhengcun, this was the most suitable method, but he didn't know that when he heard this arrangement, Yongjin Zuo Bizhong was stunned.

    May I?

    No, of course not, there is a big problem inside!

    The Eighth Route Army has seized the devil's radio station, so, correspondingly, the codebook has also been seized!

    For the little devil, this situation was originally impossible. After all, the radio station is considered an important material of the devil, and there must be a special defense force. Even in the most dangerous situation, in order to prevent the radio station from falling into the Eighth Route Army  In the hands of them, someone will blow up the radio station and burn the code book.

    But what about now?

    The situation is extremely chaoticYes, at that time last night, the telegraph operator was attacked and fell into trouble, but other people did not notice it.  No one knows whether the password book was destroyed before the jade was broken.

    The little devil's radio station is assigned to the brigade level. The codebooks of low-level troops are completely different from those of high-level troops. However, those at the wing level are already considered advanced, and they telegraph with the Army Air Force overhead.  For communication, use that level of cipherbook.

    The Eighth Route Army also has it!

    At the beginning, Yongjin Zuobiju didn't realize this situation, but now, the commander of the bomber unit requested to use telegraph communication, he immediately realized the problem, took the radio, and continued to call inside:  "No, no, this is not allowed. The Eighth Route Army also has a telegram. We are currently facing the most dangerous situation. Please believe me, immediately bomb the Eighth Route Army cavalry units outside!"

    Yongjin Zuo Bizhong was very anxious, and began to growl into the microphone, but there was no echo he expected, and the radio operator on the side said anxiously: "They have shut down the voice communication, we can only use the telegraph communication  method, Your Excellency, Commander, please dictate the message immediately."

    For an excellent radio operator, it is possible to memorize the code book in his mind, and if someone repeats it, the radio operator can directly send a telegram, and this radio operator at this time can reach this level.

    "Send what I just said!" Yongjin Zuo Bizhong said: "The Eighth Route Army has seized our code book, and they can also send signals. Please believe us and immediately bomb the Eighth Route Army cavalry in the periphery, and ask them to perform the task they accepted before departure.  !"

    However, as soon as the words fell, Yongjin Zuo Bizhong's expression changed. He heard the familiar howling outside. What is that?  The howling of the shells of the 38-type field artillery flying over!  (Remember the site URL: www.hlnovel.com
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