net Treasurer N2HUZ John McAuley 908-528-2923 [email protected] eu, Crystal Radio Resources, A Simple Radio Receiver, VU2NAN Crystal Radio. com makearadio. how to make a SIMPLE RADIO RECEIVER is a project that can be done for fun and it is also mearnt for beginners to have the idea of things in science and also to encourage one to do more research. If the site was up for sale, it would be worth approximately $37,586 USD. Keywords: ad827jn, adax8818, 高音喇叭電容接法, bbe 462 sonic maximizer, hvc1 解碼. net is 1 decade 6 years old. 87 and it is a. website server lookup history; registidm. com, 28% (27 requests) were made to Static. net is ranked #0 for Unknown and #0 Globally. I was thinking that if you print out old time battery labels on self adhesive paper then cover with clear spray or clear acetate you could wrap it around a D or C cell and have a great looking vintage battery!. I am the owner of this website: crystalradio. En vista de la popularidad de este circuito entre los usuarios del blog, y dado que han surgido numerosas dudas y peticiones de ayuda para su construcción, he decidido construir yo mismo un receptor con los materiales que tenía más a mano, y poner los resultados a vuestra disposición. Baseband communication. 就拿这个帖子里的明纬可调电源来说吧,这是我在矿坛收的,已经改好的,30包邮收的,卖家说调电流的旋钮转着没反应,不包好坏,到手一试完全正常是好的,电流不动是因为没带负载。. Hopefully you can take a few minutes, sit back, relax and enjoy. Cigar Box 6 Watt Output Transmitter. Contacting Jack. CrystalRadio. Crystal Radio Club, Inc. the cables on both of the earphones have gone bad. com Series of books available on crystal sets The Xtal Set Society Dedicated to building and experimenting with crystal Set radios Peebles Originals Crystal radio kits, tube and transistor radio kits, and informative instruction articles. Analyze page for 124onbrunswick. This ancestral form of life would have been delivered to Earth by the. There may be a third option that is by magnetically tuning the coil thus allowing fixed capacitors with a hand wound coil. 收音芯片内容价值页面是新网通过互联网相关数据整理聚合的同收音芯片相关的内容&站点排名介绍页面。收音芯片详细信息请. including sets made by Dan Peterson, Brian Wingard, Steve Bringhurst, Mike Tuggle, Mike Branson, and Jack Bryant. According to MyWot, Siteadvisor and Google safe browsing analytics, Crystalradio. My #35 and 48 sets are based on this design. That is indeed the article I was looking for and couldn't find. Poiché tali radio sono ricevitori passivi, si differenziano sotto diversi profili dalle radio ordinarie, che contengono amplificatori alimentati da una fonte di energia. Keep pics on a thumb drive in my desk. top – driver signal (point A), bottom – voltage on inductor and capacitor (point B) This circuit quite simple and can be used for experiments on frequencies up. 79 and it is a. Niftymitter is an open source FM transmitter based on Tetsuo Kogawa's Simplest FM Transmitter, a free running oscillator circuit, hence the need for a coil. El zener que te digo es SMD (superficie) y según esa tabla es un 1N255 el cual segun NTE es un rectificador de uso industrial, y el que te digo es un zener para superficie. Jennifer McCann is a Sinn Fein politician who is a member of the Stormont Assembly. Website Review of crystalradio. I might have tried arc welding that BB onto the rod, with a 12-V car battery. crystalradio. Kaneohe, HI 96744-3536 E-Mail: [email protected] It is capable of receiving AM (amplitude modulated) transmissions, which are generally found on the long, medium and short wave bands. uk Gunpowder Studios - Makers of Kastles and other new family card games - FREE Delivery - We invent and design original games for home and wholesale crystalx-semarang. net MEMBERS AT LARGE KB2RWY Cheryl McLaughlin 908-253-8783 [email protected] This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Le radio a galena sono generalmente costituite da un'antenna a filo, un induttore in rame, un demodulatore e cuffie. Analyze page for 124onbrunswick. It now covers 80 and 40 metres and is more selective. Crystalradio!. Many variations are made of this type of coil. Listen to blue-crystalradio, Radijas Tau and Many Other Stations from Around the World with the radio. net has great information on sound powered headphones. variometer crystal set spiderweb coil. Todas as emissões e estações de rádio num piscar de olhos. A crystal radio receiver, also called a crystal set, is a simple radio receiver, popular in the early days of radio. If you don't have the recommended tools (such as a laser cutter), I'll briefly discuss some alternatives. Que por dentro el auricular llevase los componentes que comentas, no lo sé, pero el formato era exactamente el que digo. net uses a Commercial suffix and it's server(s) are located in N/A with the IP number 107. Collections and Museums: Radio Club Cordoba Museum - http://www. It is a manipulation of certain inputs and outputs to the corn ethanol cycle from which there comes a number called the net energy ratio. 1 uf capacitor. Of any electronic project, the crystal set would have to rate as one of the most popular. My hat I ve had it a while but I took this picture to show Mark Branson since he 500 x 375 - jpeg - 106 Ko. com/ 爱板网:http://www. The main category is Crystal radio that is about crystal radio receivers. 268mhz ECARS East Coast Amateur Radio Service - Daily net 7. So I don't have a varicap, so I wondered if I could modify my circuit to use a variable inductor instead and use a fixed capacitor. This video tells a bit about it and. com is a website which ranked N/A in and N/A worldwide according to Alexa ranking. Eltek 2315 Cabinet | Telecom Surplus Resources telecomsurplus. In an increasingly paperless society, writing implements are becoming an obsolete technology for many of us. [email protected] Listen to Crystal Radio internet radio online for free on radio. My #35 and 48 sets are based on this design. Alexa ranks on #42,729 in the world ranking. de Website Load Time. BTW, do you have a coil winding machine or do you do it the old fashioned way? I see coil winders from time to time on epay; but they command Gi-huge-i. net is poorly ‘socialized’ in respect to any social network. cn is poorly 'socialized' in respect to any social network. It was mounted underneath the terminal strip. com/ 电子发烧友:http. i was wondering do BA"s start do deteriorate or start to lose function after prolonged non-usage? i have a pair of shure e500's and se 315's that i haven't used in several years. 3pc of GDP - up one percentage point on a year ago. American Electric wall phone If your visit to the Classic Rotary Phones Forum was enjoyable or helpful, you may tell us by making a small donation. Australian. Circuit Design by Steve Bringhurst "baldy3823" T1 Calrad 45-700 audio transformer (Ocean Electronic) T2 Bogen T725 4 watt P/A transformer (Check the bottom of this page) R1 250k ohm variable resistor SW1 12 position single pole rotary switch (Radio Shack) C1. For purposes of estimating payout and net revenue I used $60. It is easy to dx now with the high quality commercial receivers out there. But my information is so old, too must be thirty years since I last saw an AF117 or an AC128 - until about three o'clock this morning when I had an issue with an ancient pulse distribution amplifier carrying a two megabit data stream which lost one power rail (if you happened to be listening to Radio 4 at three this morning in Northern Ireland, and you. İt can be anything like spyphone,phone spying,software or hardware,room bug,telephone related spy and surveillance devices,remote covert listening,micro recorders,spy gps devices etc. nl is the 1841:th largest website within the world. In her time as a Republican prisoner she and her colleagues refused to work which meant they were locked up in their cells for most of the day. Making a crystal radio is a fun and relatively simple project that allows you to listen to nearby AM radio stations. Jennifer McCann is a Sinn Fein politician who is a member of the Stormont Assembly. 15 server works with 49 Kb Html size. Welcome to Krystal Radio I have some great news Krystal Radio is coming back online full time we've mainstream and unsigned music, broadcasting will commence at 12 noon Friday 29th March 2019. 1Ad, Homemade and Radios. net, Domain Lookup, Whois Search, Domain SEO Checker, Domain Google PageRank Checker, Alexa Rank Checker, Free Whois. A a pea-sized piece of lead was melted in an old teaspoon with a pinch of sulphur stirred in. I work on vintage radios as a counterpoint to my professional career as a Field Applications Engineer for a major semiconductor company, as in a billion transistors under your thumb nail. net The resource is currently listed in dxzone. bizarrelabs. be/F8qn1Pv39yA Bufferfly Air Var. MAY Medium, Long, and Short Wave designs 12 different circuits to suit all areas and. us - Crystalradio. You child or grand child will remember the crystal set that they built with you forever. Well, I honestly thought it was an old doorbell, but the phone system makes much more sense (after you posted the proof and all. bu malzemeyi ank. I also tried to understand the part of circuitry the diode belongs to and I believe it is overvoltage protection for the meter power supply, I am guessing from any induced voltages (as the battery would not be able to create such an overvolatge condition; also, this meter does. This video tells a bit about it and. Sometimes, I think it may be misunderstood. 04 mm) litz wire to made a coil, the Q value only can reach about 700, so choose the right material of ferrite toroid is very important. The query frequency is too high, please wait. Dave's Homemade Radios Links Page. it is named for its most important component, a crystal detector, originally made from a piece of crystalline mineral such as galena. Hola, pronto hare un post sobre la contruccion sencilla de modelos de Radio Galena, por lo pronto quienes han contruidos esas radio AM a mano, quedaran extasiados como yo al contemplar estos modelitos. 文件名A-52精品系列. 1 艺术家 萨克斯群 [dts ds] 感受高级 链接:. 完全不懂手自己收音机坑!想买一个稍微专业点的! (。) 我想听香港电台买哪种收音机比较好啊啊啊 (就是爱发呆). American Electric wall phone If your visit to the Classic Rotary Phones Forum was enjoyable or helpful, you may tell us by making a small donation. Ik moet deze wel nog uitgebreid testen. the cables on both of the earphones have gone bad. https://www. net is the 23461329:th largest website within the world. We can get caught up on our summer activities, new radios and new operating stories. Is it possible to make a crystal radio that is very sensitive for a specific frequency, but only for this one particular frequency, yet with some small fine-tuning for the frequency in question?. 发布响应: 响应信息前,请确认您发表的信息符合中华人民共和国法律法规。第一次来的新用户想发言,必须先注册,请点击. com - Office-tourisme-quend-plage including statistics, performance, general information and density value. How to make a crystal radio on MainKeys. Crystalradio. My favorite FM station is 70 miles or so away. net and www. net The resource is currently listed in dxzone. Instead of 'moving a ton to move a person', our objective is to 'move only the person. Basically what i want is to convert sound energy into useful electrical energy,i read a lot for this,many advised to use microphone for this,but the internal circuit of that showed that it requires a input power supply which actually i don't want to take,that supply is basically used by amplifiers(op-amp) to amplify the signals. Crystal Radio web site. It uses only the power of the received radio signal to produce sound, needing no external power. THE BOYS BOOK OF CRYSTAL SETS with practical circuits W. According to Siteadvisor and Google safe browsing analytics, So. crystalradio. After many tests and research they came to the conclusion that the selfinduction is going through a maximum when the cross section has a rectangular form (Thickness is same as width) like in fig. Razor blade has been dulled to protect the builder. 该程序实现的原理是利用TC库函数outportb与inportb来读写对串口芯片的寄存器进行读写和配置,由于我一起开发过单片机的串口通信程序,所以这种方法我比较容易理解。. Welcome to the Birmingham, Alabama Crystal Radio Group website. net The resource is currently listed in dxzone. ca and Beautiful Music Canada beautifulmusic. Among them were the HSMS-2850's which turned out to be his best performers. Variometer - Wikipedia wikipedia. This is the recommended method for those with limited access to electronic components. What distinguishes it as a foxhole radio is its choice of detector, which in this case consists of a blued razorblade and a rusty safety pen or probe of pencil graphite. Crystalradio. Make your own variable capacitor by using two cardboard tubes from spent rolls of toilet paper or plastic wrap. и естественно думал что поле должно вращаться. Crystalradio. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Rediscovering History • Recently, my friend Don Asquin and I decided to build high performance High Performance Crystal Radios. us Welcome to the Birmingham, Alabama Crystal Radio Group website. Documentation * FAQ * What's New * Download * Frink Applet * Web Interface * Frink Server Pages * Frink on Android * Donate. net Treasurer N2HUZ John McAuley 908-528-2923 [email protected] The effective impedance of the two earpiece elements can be checked by determining the switch position for maximum volume with one of these connections: (1) The sleeve, to the ring and tip in parallel or (2) the ring to the tip. us The main focus of this website is the crystal radio or crystal set. <– Viene de la 1ª parte. Rolling your own electronics components can be fun, but can also help in explaining how certain items actually work. be/F8qn1Pv39yA Bufferfly Air Var. This makes the image smaller and load faster. 印制电路板设计规范—工艺性要求. cn is quite a safe domain with no visitor reviews. Next meeting will be held. A ferrite loop might consist of 100 turns of wire around a 9. 下载说明This is User's Manual for. The sensitivity improvement mentioned above will only be attained if the audio transformation is performed with a low insertion loss audio transformer. com Gunn | Jerkens Marketing Communications - Long Beach, CA gunnauto. cn; 宽700x525高; 雅绅特 伊兰特 索纳塔 瑞鹰汽车收音机 插卡机 pk车载cd机. Aside from the germanium diode and earpiece, the radio can be constructed with things you're. Rankings are based on total number of tools listed on HomemadeTools. https://www. This is a guest post by Hans Noeldner. cn 宽1024x768高 航模发动机仿真 www. Homebrew or restore one. This website is dedicated to helping you tune and learn how to tune your. Он пытался создать безконтактную систему зажигания. Well, I honestly thought it was an old doorbell, but the phone system makes much more sense (after you posted the proof and all. rar 《一生之计在于春》第三期·在一起吧【你想回家么?. net is a fully qualified domain name for the domain crystalradio. net uses a Commercial suffix and it's server(s) are located in N/A with the IP number 107. 警惕:就目前的网络环境,参与交换先款、先物都是存在风险的行为,为了交换安全请您到中介区申请论坛的免费中介,或是选择自己认为安全的淘宝、支付宝 等方式的交换,感谢!. 92 Basic Regenerative Receiver (In Spanish) www. It's refreshing to work on devices where you can actually see the individual components. com LLC on September 03, 2002. 爱站网站长seo综合查询工具提供网站收录查询和站长查询以及百度权重值查询等多个站长工具,免费查询各种数据,包括收录. I like building my crystal radio type projects on blocks of wood. Crystalradio. be/F8qn1Pv39yA Bufferfly Air Var. cn analysis to improve your web page speed and also fix your Crystalradio. This site is dedicated to the outboard racing history and heritage of Quincy Welding/ Precision Machine of Quincy, Illinois, and it's creator, O. Leider hat aber in den letzten Jahren die Zahl der Mittelwellensender in Europa, gerade auch in Deutschland, stark abgenommen. Borden Radio Company has radios in both older and new styles. 1 uf capacitor. crystalradio. The main concept of Panspermia is that life, or the fundamental building blocks of life, exists throughout the universe. 목록보기 |; 요약보기 |; 펼쳐보기. edu is a platform for academics to share research papers. net uses a Commercial suffix and it's server(s) are located in N/A with the IP number 107. 通过串口下位机如何自动发送数据到上位机显示?而不用一次次的通过上位机发送触发信号。 下位机为一放大器,如何使得下位机通过232串口自动发送数据到上位机软件显示?. Support the show! http://tymkrs. It is a domain having. Royalties: These are probably going to average around 25% in the lower 48, and are 1% before pay-out in Alberta,the 25%. I'm trying to find out what the device is called that is found on a car radio. Open Graph description is not detected on the main page of Mail Powerteamrealty. com on September 03, 2002. net is poorly ‘socialized’ in respect to any social network. That is indeed the article I was looking for and couldn't find. All, I have had this multimeter for years, I love the damn thing and fits like a glove! The trouble is the fuses are expensive and I am trying to find a source for them, I use it for autoelectrical uses as well so blow fuses quite often Also I need to find a new case for it, the yellow rubber one with a stand, does anyone know where these are available in the UK or have a part number?. It is very sensitive and hurt my ear on testing. Crystalradio. Top HomemadeTools. crystal set. Welcome To Pinks Crystal Radio! The Best Christian Gospel Station On The Net! Welcome To Our Pink's Crystal Family! Live365Link. The entire casing might need to be lined with this if needed but for now, the dome will be the only part. OK, Oil Drummers, it's quiz question time. 3pc of GDP - up one percentage point on a year ago. To Use The Coil Calculator: The coil calculator will calculate the inductance of both closewound or non-closewound or "spaced" coils. either one uses those small coils with the ferrite tuning thing in them or one winds one's own coils and one uses variable capacitors. Listen to Crystal Radio internet radio online for free on radio. Poke the wire through the right hole and back through the second hole like shown below at the top. if anyone have any good idea or any project for sale just contact me please. crystalradio. İt can be anything like spyphone,phone spying,software or hardware,room bug,telephone related spy and surveillance devices,remote covert listening,micro recorders,spy gps devices etc. Alle Radiostreams und Radiosender im Überblick. It is a real reminder of how worthless US broadcast radio is. I am curious if anyone knows the formulas to build your own simple PTO for various bands similar to the one in the KD1JV MMR40. We are absolutely certain that every one is able to earn money from his website, Therefor we will display a short estimated numbers that might be achievable through dedication and seriousness work on your website. Crystal Radio - Beautiful easy listening music. 热烈欢送知识青年上山下乡干革命(知青题材宣传画) - 〓怀念那个年代〓 - 矿石收音机论坛 - Powered by Discuz!. Overall it was a very interesting and informative article, with one exception: in it the author remarked that the modulation (or mixing) principle was really nothing new, being already known. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. ca and Beautiful Music Canada beautifulmusic. 04 mm) litz wire to made a coil, the Q value only can reach about 700, so choose the right material of ferrite toroid is very important. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 矿石收音机-电子爱好者中文社区! - Powered by Discuz! Crystalradio. net is a Web site dedicated to ham radio (amateur radio). Ze zou +- 200µH moeten zijn, de draaddiameter is 0. This link is listed in our web site directory since Tuesday Mar 17 2015, and till today " Crystalradio. and it just about works like a galena detector of the 1910 era because when you move the lead around you. cn is poorly ‘socialized’ in respect to any social network. com/ Welcome. Whether it is the appropriate music for a cocktail party, the dinner hour, or just relaxation and reflection -- you will find it when you want. Photo from The Rocketeer's Flickr Photostream. 5% State Severance Tax on oil, but there is an exemption of for heavy oil. pl Polskie-Torrenty. Click to view other data about this site. I purchased the Agilent diodes mentioned and they seem to work way better than anything else - even WW2 radar. We found that 3% of them (3 requests) were addressed to the original Mp3-rocket-music-download. 6 Responses to “No Battery Radio Experiments” Mike Y Says: April 30th, 2009. Variometer - Wikipedia wikipedia. peeblesoriginals. Crystal radio plans, crystal radio circuits, crystal radio schematics are all right here. htm Google maps maps. In fact, the total size of So. net located in Scottsdale, US that includes crystalradio and has a. Darryl Boyd resides in Concord, USA and their email is [email protected] Hi friends. According to MyWot, Siteadvisor and Google safe browsing analytics, Crystalradio. net 100W LED Photonlexicon Photostream Modern Thinker Photostream Xmas 09 Physicsforums Physics UWA Expo 2008 PHX2600 link Pichaus Xmas 09 Picspicspics Picturebookmarking 86030 visits PicUrls Piecesofflair Xmas TC Pie. The site was founded 10 years ago. If the site was up for sale, it would be worth approximately $10 USD. [Addie] from The Toymakers recently set off to figure out how capacitors work. It now covers 80 and 40 metres and is more selective. The listeners have to realize that in fact there is a little simplistic model of reality, which is called this net energy balance, which is not a balance at all, by the way. is multiplied by the net Q of resonance as loaded by the diode detector. [转帖]实 用 胆 机 开 关 电 源-----天线迷 在这里我想与大家一起分享,科技进步给我们带来的方便。开关电源是近代科技的产物,英文…Switching Power Supply…转式电源供应器,俗称“开关电源”。. These are radios that require no local power. Welcome to Crystal Radio. Note: Many moderately priced kits are available and come with all the necessary parts. Crystal Radio web site. Furthermore its facebook page has 5301 likes. You can wind your own coil with enameled copper wire wrapped around a cardboard tube. com is Crystal Radio Fun starts at 1n34a. com/ 中国电子网:http://www. When you are ready to start making adjustments, have a comfortable chair, a tall drink, maybe something to make notes with, and the time to be patient. Donated by Brian Butler Original image has been altered slightly to remove "noise" in the image. General Links US Patent Google search engine www. It is hosted in and using IP address 117. 15% of websites need less resources to load. cn Multiband FM/SW/MW Crystal Radio module h. probably since 2010. crystal radio receivers is a curation of 14 resources about , Crystal Radio Circuits, Crystal-radio. Poiché tali radio sono ricevitori passivi, si differenziano sotto diversi profili dalle radio ordinarie, che contengono amplificatori alimentati da una fonte di energia. Sound powered headphones and how to use them on crystal radios. Discover online now. rystalradio. There may be a third option that is by magnetically tuning the coil thus allowing fixed capacitors with a hand wound coil. lib 的庫檔, 比如 PSPICE 中的日本電晶體庫 jbipolar. Up until now we have seen how to implement fairly basic VHDL circuits useful to execute basic tasks like count, shift left few bits, implement a decoder, etc. Yes! Site Crystalradio. General Links US Patent Google search engine www. crystalradio. It uses only the power of the received radio signal to produce sound, needing no external power. It is one of the best DX crystal sets I have ever owned. 刚刚开启电子设计生涯的朋友注意了,你要从理想的物理定律世界里面跳出到现实世界里面,读这篇文章之前,先弄清楚一个事实:你电路板上的电源芯片也是有功率损耗的。. Crystal Radio web site. Amateur Radio Clubs and Organisations. Next meeting will be held. com; public. Using IP address 206. 영어 이름인 crystal radio의 의미도 crystal은 결정으로 해석하는 것이 맞을 것 같고 이것도 결국은 돌이었다. The domain crystalradio. 28 mhz and 525pf setting would give a freq of 477 khz or. I modeled my programs to do the same thing as Dan Petersens Professor Coyle. I can get plenty of AM stations on my car radio, so even though I do live out in the "boonies" here in Northern California, it should be possible to tune in a decent number of stations. I dug through my diode assortment and confirmed that they were the same ones I had. added 24 Jan 04 #134 Tapped Coil Crystal Radio JPG File(s). In the circuit I am building for a shortwave radio using the MK484 chip it states that the tuning capacitor should be a ZN414 type which is a AM/FM four ganged poly type. including sets made by Lou Dayich, Bob Jewell, Alex Perez, Evan Haydon, Berthold Bosch, Dejan Momirov, and Gil Stacy. While you can wind coils yourself and to any value, expect the final coil's inductance to differ from what you designed for by a factor of anything up to about x3 or x1/3, so for critical values they will have to be modified or tweaked to get the value closer to the desired value. BTW, do you have a coil winding machine or do you do it the old fashioned way? I see coil winders from time to time on epay; but they command Gi-huge-i. Keep pics on a thumb drive in my desk. crystalradio has the lowest Google pagerank and bad results in terms of Yandex topical citation index. radioheritage. I'm trying to find out what the device is called that is found on a car radio. 就拿这个帖子里的明纬可调电源来说吧,这是我在矿坛收的,已经改好的,30包邮收的,卖家说调电流的旋钮转着没反应,不包好坏,到手一试完全正常是好的,电流不动是因为没带负载。. This theory posits that life arrived on Earth by 'piggy-backing' on an asteroid, planetoid or meteroid. crystalradio. Hierdoor komen mijn componenten terug vrij voor verdere experimenten. Provided by Alexa ranking, crystalradio. The dial that you turn to change stations. net and 16% (15 requests) were made to Soft112. crystal radio information. 收音机公口 请问上面两张图中的收音 出售大众polo原装收音 image. Listen to Crystal Radio internet radio online for free on radio. 站点信息; 网站名称: www. Below is a collection of sample Frink programs. In my research, I saw that a lot of microphones using diaphragms use two separate magnets, and the sound powered units on crystalradio. Jtayloreducationcom is 13 years old Alexa ranks on 4 546 455 in the world ranking This site service in United States Its IP address is 6420715250 Last updated on. Albany ARA – K2CT SPECIAL SERVICE CLUB (www. net N2RDL Brian Campbell 610-559-1509 [email protected] 爱站网站长seo综合查询工具提供网站收录查询和站长查询以及百度权重值查询等多个站长工具,免费查询各种数据,包括收录. variometer crystal set spiderweb coil. 上传不了图片,提示"无效的图片格式"的,请打开Internet选项 - 安全 - internet - 自定义级别, 把其中的"将文件上载到服务器时包含本地目录路径"选项 启用, 就可以了!. Get a piece of sturdy cardboard and some food coloring make a volcano out of any paper with flames lava and make trees paint the cardboard and add mountains with the colored paper. Note: Many moderately priced kits are available and come with all the necessary parts. Army MARS, Net Com (Military Auxiliary Radio System) waterwayradio.