We at this blog believe in radio communications and will never let it die, understanding the importance that it still plays, and during the worst catastrophes, will be the best form of communication. This story about 9-11 adds proof to this statement.
If disaster strikes, there is a form of communication that can still get through: a ham radio.
When 9/11 hit New York City in 2001, for instance, ham radio operators provided a connection to the outside world.
One of those people was amateur radio enthusiast Bob Kyvig, formerly of White Bear Lake, who now lives in Centerville.
âThe only communication out there on 9/11 was amateur radio,â Kyvig recalled. âThe telephone lines were jammed and no one was going in or out.â
On the days following that horrific attack, Kyvig assumed the role of messenger, relaying messages from Manhattan to loved ones in the area by calling or knocking on their door. His house calls would go like this: âI am Bob; I am a ham operator. I just communicated with your loved one; they are fine and doing well and they will talk to you soon.â
When White Bear Lake sailor Gerry Spiess landed in Samoa on his historic solo voyage across the Pacific Ocean in 1981, he contacted Kyvig, who connected Spiess with his wife Sally.
When Hugoâs tornado struck in 2008, he and wife Jill remained on the radio as long as they could but had to abandon the âham shackâ as the storm approached. The tornado did $30,000 damage to their home, including Kyvigâs outside antennas.
A ham since 1968, long before Facetime, email or Skype, Kyvig was 20 when he took up the hobby while serving in the Navy. He was stationed in Hawaii and had childhood buddies serving in Germany and aboard the USS Milwaukee. The three met on the radio at least once a week without fail for more than 40 years, until the death of one of the men in 2015.
That connection to people is what Kyvig most enjoys. He chats on the radio to people heâs never met around the world.
âItâs a worldwide network of people enjoying fellowship with other hams,â Kyvig said.
The radio operator answers calls for help in areas of âhealth and welfare,â and was on Centervilleâs first CERT (citizen emergency response team), which is now inactive. He serves as a severe weather spotter too, and gains âinsightsâ as to what is happening around the world by chatting to foreigners.
âWe talk about everything from fishing, to weather and local problems,â he said. âItâs very interesting because you find out so much about people across the world. And itâs not just the personal part but handling messages for help in disasters.â
Heâs listened to astronauts aboard the space station and scientists at the South Pole. He has talked to people in Russia, New Zealand and most of Europe. For a long time, he kept a conversation going with a man in Norway who lived close to some of his relatives. Wife Jill also has her ham license and enjoys talking to other women, known as YLs or young ladies, across the world. âLord knows what theyâre talking about,â Bob said. âI leave the room.â
Ham buffs do have opportunity to meet at events called âeyeball picnics.â The Kyvigs traveled to a picnic in Branson, Missouri earlier this summer to socialize with other hams and match voices with faces.
Without getting too technical, Kyvig explained that radio signals are bounced up through the ionosphere. The signal goes up and down several times before it hits the final destination and you donât control where it hits. People who want to contact Kyvig can tune into his call number: WA0ROH, assigned by the Federal Communications Commission (FCC), which regulates interstate and international communications. The agency requires operators to keep a log of who they talk to on an electronic spreadsheet.
âWe could be talking to people the FCC thinks is a bad guy,â he said. âBecause we can transmit all over the world without a phone line, some use it to their own means.â
Other countries have comparable agencies.
Each country has its own beginning call letters. The United States uses W, K and N.
âThe concept is simple,â he added. âWe use what Mother Nature has provided: airwaves. We plug a number in for a country and anyone can answer.â
A true party line, Kyvig said 30,000 people could be listening in on a conversation.
Jill proudly pointed out that Bob earned a masterâs degree from The 3905 Century Club. Itâs not the typical academic degree, but a difficult achievement nonetheless. âThe degree was a challenge,â he said, which explains why only 68 radio operators have received the degree since 1967.
Bob inspired her to get her license, Jill said, and together they do public service events using ham radio.
Invented in the early â20s, ham equipment is evolving, but affordable. Newbies can do it for about $300, he said. There are antennas on his roof, but mostly they are horizontal wires stretched between a tree and the house. Generator backup is used if thereâs a power outage. He also keeps a mobile 12 volt transmitter that he can use in his truck to chat while heâs driving.
At one time, working knowledge of Morse code was a requirement to get an FCC ham license, but that was dropped, so more people are getting into it, he said.
When heâs not on the radio, Kyvig enjoys making furniture and fixing TVs. He retired from a career in computer operations about five years ago.
Source - http://www.presspubs.com/citizen/news/article_c147ab30-7c25-11e6-9028-679823bb75af.html
Tuesday, 20 December 2016
Saturday, 17 December 2016
5 Examples of Earpiece to Hear Far Away
1. Using a Mobile Phone And Bluetooth headsets or Earpiece
To do this, you simply need to go into your mobile phone's settings and then change answering mode to Auto; this enables your phone to answer automatically when you ring it. Most mobile phones only work in the Auto answer mode, after you have plugged in the headset.
After turning on the Bluetooth headset, make sure it's properly paired with your cell phone, and confirm the battery has adequate charge. Hide your Bluetooth headset somewhere you know it'll pick up the sounds clearly, however, make sure that it's well hidden.
Leave the room, however, do not go very far. The Bluetooth connection will work through the walls, but if you happen to go far away, it'll not work very well (the range can be up to about 30 feet or 3 rooms away). Now test your cell phone by calling it to see how far you can actually go and still get to hear the bugged room through the Bluetooth headset.
You can wait for the conversations to get to the interesting part, and then turn on voice recorder on the cell phone; it should be able to record via the microphone of your Bluetooth headset.
2. Using a Two Way Radio and Earpiece
Two way radios allow users to communicate when they're far away such that they can not hear each other. These devices use radio frequencies instead of cell phone towers which means they will work in areas where there's no cell phone coverage or reception.
The two way radios offer instantaneous communication; users simply need to press the Push-To-Talk (also known as PTT) key, and they can instantly talk and convey their particular message to the other party. This is due to the quick call setup time that's entrenched in this technology. The ability to offer quick communications is one of the reasons why most organizations prefer the two way radios for their tactical and operational communications.
Another great feature of the two way radios, is the ability to facilitate one to many (also known as, group calls) communications effectively. This basically means that a single user can conveniently communicate with 2, 10, 20, and more, of other two way radio users at the same time. In short, there is no need for you to repeat time and time again when you want to communicate with many people and using a two way radio earpiece, this communication is much more secure
3. Ear Spy Application
Ear Spy App is a great eavesdropping tool. Depending on just how good your cell phone is, this app can become a very high powered listening tool. Ear Spy application can route the audio from your cell phone's mic right to to your headset letting you eavesdrop on the people around you whilst remaining inconspicuous. When using a Bluetooth, you can use this app to spy from a room nearby; you simply need to leave your cell phone near the target, and then use your Bluetooth headset to eavesdrop. If you want to fine tune the incoming signals, you can use the graphics audio equalizer. Whether you wish to eavesdrop on particular conversations or you just want to play some spy games, Ear Spy application will be of great help in your endeavor. You should know that this app requires you to use headphones, otherwise you will get poor audio feedback.
4. Spy Glasses
This spy device comprises of an in built Bluetooth transmitter which looks like ordinary glasses, a microphone and a wireless earpiece. Connections between the glasses, the earpiece and your cell phone are wireless, thus totally unnoticeable to other people; the device's ultra compact design basically ensures nobody will know it is a spy tool. Spy glasses are compatible with almost any mobile phone which has the Bluetooth option. Actually, the Spy glasses are universally compatible with all the standard Bluetooth enabled equipment including computers. Some of the features of this device include; excellent transmission and reception of audio signals, built in microphone, and a large capacity Lithium battery.
5. Micro Air Vehicles (MAVs)
Modern technological advances are ever increasing human's potential for developing tiny things. As for the United States Air Force, this translates to revolutionary designs in the air vehicles to provide the war fighters with new tools which can enhance both the situational awareness, and also the capacity of engaging quickly, accurately, and with minimal collateral damage. This is where Micro Air Vehicles (also known as MAVs) come in. The term MAV or micro air vehicle, refers to the a new type of advanced remotely controlled aircraft (abbreviated as, UAV) that's significantly much smaller than other similar aircraft. Typically, MAVs can easily blend in with the surrounding environment, stay in air for a long period of time, and can go places which can't be reached safely by humans, or most of the other types surveillance equipment.
The target dimensions for MAVs is approximately 6 inches (15 centimeters), and the development of actual insect sized aircrafts is expected in near future. As a matter of fact, various efforts in the research on micro air vehicles have involved attempting to mimic flying insects so as to achieve the flight capabilities which aren't attainable through the use of other means of aerial propulsion. In the year 2007, a bug like Micro air vehicle model with a wingspan of 3 cm was revealed at a robotic's conference; in the year 2008, the United States Air Force released a video showing Micro air vehicles which were the size of a bumblebee; and in the year 2012, some engineers from Johns Hopkins University started studying flight of butterflies to discover how airborne robots can mimic their maneuvers.
The potential military use is 1 of the key driving factors, although the micro air vehicle can also be used commercially, as well as in scientific and mapping applications. The main military use envisioned for the micro air vehicle is gathering of intelligence via the use of microphones, cameras, or other types of sensor.
Conclusion
Some of the above points are illegal, and you should not do any of them. Also, do not use any of the above methods to record any intimate relations; the legal consequences of doing so are very severe. Finally, keep in mind that it's illegal in the US to make recordings of people without their consent/permission; and depending on what you'll do with the recordings, you might find yourself in big trouble.
To do this, you simply need to go into your mobile phone's settings and then change answering mode to Auto; this enables your phone to answer automatically when you ring it. Most mobile phones only work in the Auto answer mode, after you have plugged in the headset.
After turning on the Bluetooth headset, make sure it's properly paired with your cell phone, and confirm the battery has adequate charge. Hide your Bluetooth headset somewhere you know it'll pick up the sounds clearly, however, make sure that it's well hidden.
Leave the room, however, do not go very far. The Bluetooth connection will work through the walls, but if you happen to go far away, it'll not work very well (the range can be up to about 30 feet or 3 rooms away). Now test your cell phone by calling it to see how far you can actually go and still get to hear the bugged room through the Bluetooth headset.
You can wait for the conversations to get to the interesting part, and then turn on voice recorder on the cell phone; it should be able to record via the microphone of your Bluetooth headset.
2. Using a Two Way Radio and Earpiece
Two way radios allow users to communicate when they're far away such that they can not hear each other. These devices use radio frequencies instead of cell phone towers which means they will work in areas where there's no cell phone coverage or reception.
The two way radios offer instantaneous communication; users simply need to press the Push-To-Talk (also known as PTT) key, and they can instantly talk and convey their particular message to the other party. This is due to the quick call setup time that's entrenched in this technology. The ability to offer quick communications is one of the reasons why most organizations prefer the two way radios for their tactical and operational communications.
Another great feature of the two way radios, is the ability to facilitate one to many (also known as, group calls) communications effectively. This basically means that a single user can conveniently communicate with 2, 10, 20, and more, of other two way radio users at the same time. In short, there is no need for you to repeat time and time again when you want to communicate with many people and using a two way radio earpiece, this communication is much more secure
3. Ear Spy Application
Ear Spy App is a great eavesdropping tool. Depending on just how good your cell phone is, this app can become a very high powered listening tool. Ear Spy application can route the audio from your cell phone's mic right to to your headset letting you eavesdrop on the people around you whilst remaining inconspicuous. When using a Bluetooth, you can use this app to spy from a room nearby; you simply need to leave your cell phone near the target, and then use your Bluetooth headset to eavesdrop. If you want to fine tune the incoming signals, you can use the graphics audio equalizer. Whether you wish to eavesdrop on particular conversations or you just want to play some spy games, Ear Spy application will be of great help in your endeavor. You should know that this app requires you to use headphones, otherwise you will get poor audio feedback.
4. Spy Glasses
This spy device comprises of an in built Bluetooth transmitter which looks like ordinary glasses, a microphone and a wireless earpiece. Connections between the glasses, the earpiece and your cell phone are wireless, thus totally unnoticeable to other people; the device's ultra compact design basically ensures nobody will know it is a spy tool. Spy glasses are compatible with almost any mobile phone which has the Bluetooth option. Actually, the Spy glasses are universally compatible with all the standard Bluetooth enabled equipment including computers. Some of the features of this device include; excellent transmission and reception of audio signals, built in microphone, and a large capacity Lithium battery.
5. Micro Air Vehicles (MAVs)
Modern technological advances are ever increasing human's potential for developing tiny things. As for the United States Air Force, this translates to revolutionary designs in the air vehicles to provide the war fighters with new tools which can enhance both the situational awareness, and also the capacity of engaging quickly, accurately, and with minimal collateral damage. This is where Micro Air Vehicles (also known as MAVs) come in. The term MAV or micro air vehicle, refers to the a new type of advanced remotely controlled aircraft (abbreviated as, UAV) that's significantly much smaller than other similar aircraft. Typically, MAVs can easily blend in with the surrounding environment, stay in air for a long period of time, and can go places which can't be reached safely by humans, or most of the other types surveillance equipment.
The target dimensions for MAVs is approximately 6 inches (15 centimeters), and the development of actual insect sized aircrafts is expected in near future. As a matter of fact, various efforts in the research on micro air vehicles have involved attempting to mimic flying insects so as to achieve the flight capabilities which aren't attainable through the use of other means of aerial propulsion. In the year 2007, a bug like Micro air vehicle model with a wingspan of 3 cm was revealed at a robotic's conference; in the year 2008, the United States Air Force released a video showing Micro air vehicles which were the size of a bumblebee; and in the year 2012, some engineers from Johns Hopkins University started studying flight of butterflies to discover how airborne robots can mimic their maneuvers.
The potential military use is 1 of the key driving factors, although the micro air vehicle can also be used commercially, as well as in scientific and mapping applications. The main military use envisioned for the micro air vehicle is gathering of intelligence via the use of microphones, cameras, or other types of sensor.
Conclusion
Some of the above points are illegal, and you should not do any of them. Also, do not use any of the above methods to record any intimate relations; the legal consequences of doing so are very severe. Finally, keep in mind that it's illegal in the US to make recordings of people without their consent/permission; and depending on what you'll do with the recordings, you might find yourself in big trouble.
Monday, 12 December 2016
How Many Walkie-Talkies Can Operate on the Same Channel?
Theoretically, you can use an unlimited amount of walkie-talkies on the same channel (although in practice you might experience a few problems if you took that suggestion literally). Basically, there isnât really a set limit. You could use as many as you like provided they are set up correctly. Anybody set to the right channel and in range at the time of transmission would then be able to pick up the signal and respond to it.
Most radios have access to 8 channels. These channels each have 38 separate âidentification tonesâ. The user sets his/her channel up with the desired tone and then only other users who know the channel/tone will be able to hear the transmissions. As a result, there are, in any given area, about 304 different combinations, so signal interference is unlikely to affect you.
Please do not interpret this answer as saying that your radio has access to 304 possible channels. It does not. It will likely only have access to 8. Some less reputable manufacturers tend to falsely imply access to 304 channels; this is simply not the case. You will have access to 304 possible tone/channel combinations, thatâs all.
To better explain the CTCSS codes and how they work; weâll include a little information from Amherst.co.ukâs FAQ page.
âCTCSS stands for "Continuous Tone Coded Squelch System". These codes are also often called "Privacy codes" If a CTCSS tone is selected; a CTCSS sub-audible tone is transmitted along with the regular voice audio by the transmitting radio. The receiving radio, set to the same CTCSS tone, will only receive audio if it contains that sub-tone. Interference from other users on the same frequency is therefore rejected (unless they are also on the same sub-tone). This is a way of allowing groups of users of walkie-talkies on the same channel to avoid hearing messages from other nearby usersâ.
So, in conclusion, you can probably use as many walkie-talkies as you like on the same channel. As long as the units in question are of the same type (either VHF or UHF) and have the same CTCSS setup, then you simply shouldnât have a problem. You also shouldnât suffer from signal interference due to other users (although you may still experience signal loss/interference/degradation from other sources). We have talked about combating signal loss elsewhere, so please see the other questions if you have any problems in this area.
Most radios have access to 8 channels. These channels each have 38 separate âidentification tonesâ. The user sets his/her channel up with the desired tone and then only other users who know the channel/tone will be able to hear the transmissions. As a result, there are, in any given area, about 304 different combinations, so signal interference is unlikely to affect you.
Please do not interpret this answer as saying that your radio has access to 304 possible channels. It does not. It will likely only have access to 8. Some less reputable manufacturers tend to falsely imply access to 304 channels; this is simply not the case. You will have access to 304 possible tone/channel combinations, thatâs all.
To better explain the CTCSS codes and how they work; weâll include a little information from Amherst.co.ukâs FAQ page.
âCTCSS stands for "Continuous Tone Coded Squelch System". These codes are also often called "Privacy codes" If a CTCSS tone is selected; a CTCSS sub-audible tone is transmitted along with the regular voice audio by the transmitting radio. The receiving radio, set to the same CTCSS tone, will only receive audio if it contains that sub-tone. Interference from other users on the same frequency is therefore rejected (unless they are also on the same sub-tone). This is a way of allowing groups of users of walkie-talkies on the same channel to avoid hearing messages from other nearby usersâ.
So, in conclusion, you can probably use as many walkie-talkies as you like on the same channel. As long as the units in question are of the same type (either VHF or UHF) and have the same CTCSS setup, then you simply shouldnât have a problem. You also shouldnât suffer from signal interference due to other users (although you may still experience signal loss/interference/degradation from other sources). We have talked about combating signal loss elsewhere, so please see the other questions if you have any problems in this area.
Saturday, 10 December 2016
Columbia High Trail Family Dome Tent
For those of us who love to travel, all of the planning as well as the trip is pure joy! The worst part of any travel venture is packing, and then hauling around a bunch of luggage. After just a few trips of any length, the savvy traveler gets smart. You learn to pack smart and travel light! Would you believe that a large travel shoulder bag can carry everything you'll need for a month long trip abroad? It's true, though you may find it hard to believe. Let's examine the many virtues of the travel shoulder bag and then get into how to pack efficiently and economically, leaving the unnecessaries behind, but in possession of ample clothing.
Everyone who in ear monitors for singers read this article needs the solution. According to my observation, there is no hard and fast rule that works for everyone. What works for some writers may not work for others. In my case I have discovered that if I write all of my thoughts and feelings first and then go through my whole article with calm mind and at last revise the grammar and spellings. This works better for me and I feel quite comfort while writing my article in this way.
You would want to keep your gadgets safe from pilot language translator, moisture, heat or dust. But there are cameras that are inherently resistant to these external elements. Search for those cameras that can last longer than expected.
The use and maintenance of the cab enclosures is a very easy process on the whole. A very simple instructions manual comes with them to get them fixed to the car. As far as their cleaning is concerned the regular cleaning with your detergent and soap is going to do the trick. For daily cleaning just use any car cleaning rag and for the extra dirt use a soft cleaning brush. The best thing of all is that they can be easily replaced after they have completed their useful life.
verging on extreme conditions crossword clue have several advantages, but the systems will need to be a bit more complex. The ears can be either wired or wireless. Most people use wired in ears for drums and keys and any players that have a station on stage. Players that move around need wireless systems. Most players will need and individual monitor mix for their ears as well. Background singers may be able to share a mix.
If your dad is into gadgets, then there are a lot of options ear plugs for sleeping unique Fathers Day gifts. A USB beverage chiller or warmer is a great gift for dads stuck behind a desk all day. He can keep his coffee hot or his soda cold with these nifty gadgets.
The camping tents should be practically easy to set up. The sophistication of camping tents cannot always correctly measure their time to set up. The general conception about the cost of camping tents is that you get what you pay for. High quality material, better technology, large size etc. make you pay more.
Everyone who in ear monitors for singers read this article needs the solution. According to my observation, there is no hard and fast rule that works for everyone. What works for some writers may not work for others. In my case I have discovered that if I write all of my thoughts and feelings first and then go through my whole article with calm mind and at last revise the grammar and spellings. This works better for me and I feel quite comfort while writing my article in this way.
You would want to keep your gadgets safe from pilot language translator, moisture, heat or dust. But there are cameras that are inherently resistant to these external elements. Search for those cameras that can last longer than expected.
The use and maintenance of the cab enclosures is a very easy process on the whole. A very simple instructions manual comes with them to get them fixed to the car. As far as their cleaning is concerned the regular cleaning with your detergent and soap is going to do the trick. For daily cleaning just use any car cleaning rag and for the extra dirt use a soft cleaning brush. The best thing of all is that they can be easily replaced after they have completed their useful life.
verging on extreme conditions crossword clue have several advantages, but the systems will need to be a bit more complex. The ears can be either wired or wireless. Most people use wired in ears for drums and keys and any players that have a station on stage. Players that move around need wireless systems. Most players will need and individual monitor mix for their ears as well. Background singers may be able to share a mix.
If your dad is into gadgets, then there are a lot of options ear plugs for sleeping unique Fathers Day gifts. A USB beverage chiller or warmer is a great gift for dads stuck behind a desk all day. He can keep his coffee hot or his soda cold with these nifty gadgets.
The camping tents should be practically easy to set up. The sophistication of camping tents cannot always correctly measure their time to set up. The general conception about the cost of camping tents is that you get what you pay for. High quality material, better technology, large size etc. make you pay more.
Friday, 9 December 2016
World's slimmest, buoyant DSC handheld radio unveiled
Icom earpieces
The IC-M93D EURO VHF/DSC handheld radio is the successor to the popular IC-M91D. Stylish and slim, this new Icom handheld contains an abundance of features including a dedicated built-in DSC receiver (meets ITU-R M.493-13 Class D DSC), internal GPS and active noise cancelling technology. In addition, an intuitive interface coupled with 2.3 inch full dot matrix high-contrast display and soft keypad makes this a comfortable and easy handportable to operate.
The IC-M93D EURO has an integrated DSC/GPS giving users the facility to send and receive DSC calls. A dedicated DSC receiver continuously monitors CH70 and is independent of the main receiver and other operation. Other important safety at sea offerings include a built-in compass, navigation and Man Over Board features.
Advanced noise cancelling technology on the radio reduces background noise by up to 90 percent on both outgoing and incoming calls making sure your communications are heard. The IC-M93D EURO come as standard with the BC-220 rapid charger which charges the standard Li-ion battery pack in just 2.5 hours. The handheld's extended 1500mAh Li-Ion battery life provides a full day of use.
The IC-M93D EURO features Icom's exclusive Float'n Flash and AquaQuake technology. Should the radio be dropped overboard, a flashing light will activate, making it easier to locate. The Float'n Flash feature works regardless of whether the power is turned on. The AquaQuake draining function uses low-frequency sound waves to clear water away from the radio's speaker grill for clear audio.
Additional radio features include the IPX7 waterproof rating, 50 waypoint memories with alphanumeric names for navigation and a loud speaker.
Ian Lockyer, Marketing Manager of Icom UK, said: 'The IC-M93D EURO combines advanced safety features with an intuitive user interface for faster and easier access to all the radio functions.'
The IC-M93D is now available to buy from authorised Icom Marine Dealers with a suggested retail price of £349.95 including VAT.
The IC-M93D EURO VHF/DSC handheld radio is the successor to the popular IC-M91D. Stylish and slim, this new Icom handheld contains an abundance of features including a dedicated built-in DSC receiver (meets ITU-R M.493-13 Class D DSC), internal GPS and active noise cancelling technology. In addition, an intuitive interface coupled with 2.3 inch full dot matrix high-contrast display and soft keypad makes this a comfortable and easy handportable to operate.
The IC-M93D EURO has an integrated DSC/GPS giving users the facility to send and receive DSC calls. A dedicated DSC receiver continuously monitors CH70 and is independent of the main receiver and other operation. Other important safety at sea offerings include a built-in compass, navigation and Man Over Board features.
Advanced noise cancelling technology on the radio reduces background noise by up to 90 percent on both outgoing and incoming calls making sure your communications are heard. The IC-M93D EURO come as standard with the BC-220 rapid charger which charges the standard Li-ion battery pack in just 2.5 hours. The handheld's extended 1500mAh Li-Ion battery life provides a full day of use.
The IC-M93D EURO features Icom's exclusive Float'n Flash and AquaQuake technology. Should the radio be dropped overboard, a flashing light will activate, making it easier to locate. The Float'n Flash feature works regardless of whether the power is turned on. The AquaQuake draining function uses low-frequency sound waves to clear water away from the radio's speaker grill for clear audio.
Additional radio features include the IPX7 waterproof rating, 50 waypoint memories with alphanumeric names for navigation and a loud speaker.
Ian Lockyer, Marketing Manager of Icom UK, said: 'The IC-M93D EURO combines advanced safety features with an intuitive user interface for faster and easier access to all the radio functions.'
The IC-M93D is now available to buy from authorised Icom Marine Dealers with a suggested retail price of £349.95 including VAT.
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