Chapter 70 Upgrade
Banxia spent a whole day digging a big pit and buried the tiger's body.
She had no shortage of food, nor did she want to taste the taste of the king of beasts. She just wanted to quickly bury this huge, rotting corpse. If she didn't bury it underground, all the flies in the Qinhuai District would gather and start buzzing.
What do you hate most in summer?
The first is the mosquito, the second is the fly.
Modern people like Bai Yang certainly cannot imagine what it means for summer mosquitoes to become thunderbolts. This scene has only been seen in "Childhood Fun" written by Shen Fu in the Chinese class in middle school.
Banxia was a person who often hid in grass nests. Sometimes, when she saw a swarm of mosquitoes, she would cover her head and face with her clothes and turn around and run away.
By the time she had compacted the last shovel of dirt, it had already darkened. Banxia built a small grave for the Bengal tiger, not far from Building 11. After killing this tiger, there wouldn't be another Bengal tiger in Qinhuai District for a long time in the future, because the Bengal tiger's territory is extremely large. As the saying goes, there can't be two tigers in one mountain. The other tiger should be at least in Pukou District, or maybe even in Chuzhou City.
After doing all this, her arms were so sore that she couldn't even lift them.
"My hands are so sore. I've been digging holes all day. It's too much effort to use only an engineer shovel." Banxia sighed, "BG4MXH, when can you send me an excavator?"
"How do I deliver the excavator?" Bai Yang rolled his eyes. "Time capsules are not omnipotent. Where can I find a capsule that can fit an excavator? The largest time capsule you can buy on the market is only a few dozen centimeters long. If it's bigger, it's not a time capsule, it's a safe. OVER."
"Then make a super-big safe and put the excavator in it! I believe you can do it!"
"You can't buy a safe that big. You have to find a manufacturer to order one." Bai Yang said, "It will cost a lot of money. We don't have that much money. OVER."
"You are saving the world, boy! You can find that... Silver..."
"Bank, OVER."
"Yes, the bank. Ask the bank for money!" Banxia said, "I want one million. Is that enough? If not, I want ten million."
"Are you asking me to rob a bank? Miss, I'm just a poor high school student. If I walk into a bank and rob it, I'll be laughed at by the salesperson." Bai Yang said, "So what if I save the world? Besides, to build a safe that can accommodate an excavator, that thing must weigh at least dozens of tons and need a heavy helicopter to lift it. If you bury it underground, you can't dig it out by yourself, so you need a heavy helicopter. Then we have to build another safe to put the helicopter in, and then we need an even heavier helicopter to lift this safe. It's endless, OVER."
"oh……"
The girl squatted on the chair and pouted.
Bai Yang has not yet figured out the limit of the time capsule, but both he and his father know that this thing is definitely not omnipotent. The big filter is not a fool. You can try to smuggle in a small sampan, but if a cruise ship wants to smuggle in, you are just being blind.
In Bai Yang's opinion, the first factor that limits time capsules is definitely size.
A time capsule can be magnified appropriately, but not infinitely.
How big does it have to be before it will be discovered by the big filter?
The three laws of time have set the conditions for him. Zhao Bowen once said that as long as you comply with the three laws, you can avoid the big filter. No matter what you want to do, you have to move within the scope they limit.
"BG4MSR, we discussed this for a long time today and decided to upgrade your communication method. OVER."
There was a pause over there.
"Eh? That's the one... Image transmission?"
"That's another system. These two plans are independent of each other and are being promoted simultaneously. Building an image transmission link will allow the radio to transmit more and larger data, and building a remote control system will allow you to stay in touch when you are outside." Bai Yang explained, "Uncle Wang is the leader of the remote control system engineering team, and my father is the leader of the image transmission system engineering team. OVER."
"Wow." The girl was a little amazed. "What a big event! Who are the people in the remote control system engineering team? Who are the people in the image transmission system engineering team?"
"There are two people in the remote control system engineering team." Bai Yang replied, "Uncle Wang is the team leader, and I am a member of the team."
"Where is the Image Transmission System Engineering Team?"
"Two people too, OVER."
"The team leader is your father, what about the team members?"
"It's still me, OVER."
The three people formed two teams. It has to be said that the name of the Amateur Radio Emergency Communication Command Center for Reversing the Future and Saving the World is long but the number of people is short, which fully reflects the characteristic of the grassroots organization that one person does the work and two people watch over it.
"Doesn't this mean I can see the world over there?" Banxia became excited. "Great, Nanjing in 2019! In 2019! Can you take a picture for me?"
"Of course, we also need you to take pictures of Nanjing in 2040 for us. OVER." Bai Yang replied.
"No problem!" The girl stood up and said, "I'll film whatever you want to see... But will it be difficult to build these two systems?"
Her voice suddenly dropped again.
"Can I do that?"
"We are still studying the specific plan. We will follow three basic principles. The first is simplicity. It must be simple enough for you to operate it and can be completed by one person. Plans that are too complicated will be ruled out. The second is stability. The components used must still be able to work normally after 20 years. The third is safety. It cannot interfere with the normal operation of the 725 radio station itself." Bai Yang explained to her in detail. "There will be experts to provide you with technical support throughout the process. Don't worry, miss. We will take care of everything we can for you. OVER."
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The next day.
October 27th is Sunday.
When Bai Yang got up, Wang Ning and his father were already arguing in the living room. He lazily walked into the bathroom carrying his toothbrush and towel and heard a heated argument outside.
"Have you ever used it?"
"Yes, I used it. When I called the roll, it was the main control. The frequency was 439.675, the difference was 9, and the sub-tone was 88.5. I remember it clearly."
“Is it pure analog or digital analog?”
"This is wrong. This is absolutely wrong. Do you have a blueprint? Find a blueprint and let me see it!"
"Where the hell is this old antique going to find the blueprints now?"
"Go to the group and ask."
"Who has this?"
"Does TZM have it? Or ask STD... doesn't that guy always have everything..."
Bai Yang finished washing up, came out to have breakfast, and greeted the two of them.
Lao Wang and his father nodded at him, said good afternoon, and turned to continue their argument.
"Here, I found one, take a look and see if it is..."
“This stuff is bullshit.”
There were soy milk and steamed buns on the table. Mom had gone out to buy groceries. Bai Yang sat down and touched the cup. The soy milk was a little cold. He took a sip and glanced towards the sofa. He noticed a foam box at Wang Ning's feet, with a familiar black amateur shortwave radio on the box.
Icom725.
He blurted out: "725? You got another 725?"
"It's a second-hand product I bought from a competitor." Wang Ning nodded. "It's used as a test machine for simulation."
Just like in aerospace engineering, there must always be a backup machine on the ground that is exactly the same as the mission machine. In case the mission machine in the sky breaks down, people can immediately simulate the solution on the backup machine. Wang Ning had the same idea. He wondered if there was any way to experiment on this unimportant 725 radio first, confirm that it was safe and feasible, and then move it to the BG4MSR radio.
Note that at this time, Wang Ning and Bai Zhen had not yet realized that Bai Yang and BG4MSR were using the same 725. This key point would not be discovered until Zhao Bowen came back. Although Wang and Bai knew that BG4MSR was also using an Icom725 radio, the same model as Bai Yang, their rich experience as old HAMs led to a misjudgment. In their eyes, Icom725 was indeed a classic amateur radio. The number of Icom725s in Nanjing alone could not be counted on two hands. This thing was like a Nokia 1100. You had a Nokia in your hand, and the person you were calling also had a Nokia in his hand. There was nothing strange about that.
Bai Yang picked up a shaomai and stuffed it into his mouth. He chewed the cold shaomai and asked vaguely, "What should I do next?"
"Next we need to build a relay," said Wang Ning.
"We need to ask BG4MSR to get an analog repeater first." Bai Zhen nodded, "Only then can we buy an identical one based on the model she found."
"Can the relay be sent via a time capsule?" Bai Yang asked.
"I'm afraid it's difficult. A purely analog repeater is quite large. Have you seen that thing?" Wang Ning gestured with his hands. "It's as big as a desktop computer host. It has an iron shell and is quite heavy. No time capsule can hold it."
"Try to make one custom?"
"You want to find someone to make a time capsule out of a steel pipe?" Wang Ning pondered for a moment. "First of all, it's hard to find such a thick steel pipe. The diameter of the seamless steel pipes that are easy to find on the market is basically a few centimeters or more. If you want to put the relay station in, the diameter must be at least more than 30 centimeters, which is about the same thickness as an oil pipeline... If you want to make a capsule with such a thick pipe, do you know how heavy it is?"
"How heavy is it?"
"At least 40 kilograms," Wang Ning replied. "How could you carry a capsule weighing more than 40 kilograms, a large, smooth cylinder? You couldn't even carry it, let alone follow the double-blind principle and bury it without anyone knowing."
Poplar choked.
He is also bound to make some low-level mistakes by ignoring practical operability.
"We'll use the overly complicated plan as Plan B, the backup plan," Dad said. "Actually, it's easier for her to find a repeater there than for us to send it over, because the repeater doesn't break easily, and no one wants it."
"Where is the relay station in Nanjing?" Bai Yang asked.
Dad and Lao Wang pointed out the window at the same time, their eyes looking beyond the layers of residential buildings.
"Not far away, just on Purple Gold Mountain."
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"Hey? On Purple Gold Mountain?"
Banxia was a little surprised.
"Yes, it's on Purple Mountain." Bai Yang said, "Relay stations are usually located in high places, such as on mountains. Nanjing's 430M relay is located on Purple Mountain. OVER."
"Twenty years have passed, and it's still not broken?"
"According to Uncle Wang and my father, they said that the relay is very durable. The original working environment is unattended, and there is no battery, so it is not easy to break down." Bai Yang scratched his head, "Besides, this thing has no value and is not conspicuous. You have a high probability of finding it. OVER."
He spread out a scribbled map in front of him.
The map was drawn for him by Wang Ning, and it showed the specific location of the relay station.
Bai Yang turned it around and around, and finally opened the Gaode map on his mobile phone. Wang Ning's map was even worse than Gaode's.
He explained to BG4MSR while looking at the map, telling her to find a stick - not a Korean, but an antenna, to be precise, a relay antenna.
Banxia was making “hmmmm” noises on the other end.
Reverse the Future and Save the World The Amateur Radio Emergency Communication Command decided to use the next week to upgrade Banxia's communication methods, turning a fixed amateur radio station into a mobile phone with a camera function. Once the upgrade is completed, Banxia will be able to transmit a large amount of image data to this end, and Bai Yang and others will be able to face the destroyed world directly.
(End of this chapter)
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