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The 630 Meter Band
The 630 Meter Band Introduction The 630 meter Amateur Radio band is a frequency band allocated by the International Telecommunication Union (ITU) to the Amateur Service, and ranges from 472 to 479 kHz, or equivalently 625.9 to 635.1 meters wavelength. It was formally allocated to the Amateur Service as part of the Final Acts of the 2012 World Radiocommunication Conference (WRC-12). Once approved by the appropriate national regulatory authority, the band is available on a secondary basis to countries in all ITU regions with the limitation that Amateur stations have a maximum radiated power of 1 Watt effective isotropic radiated power (EIRP). Stations more than 800 km from certain countries (listed below) may be permitted to use 5 Watts EIRP however. The ITU Final Acts took effect 1 January 2013 and after public consultation on all of the ITU allocation changes contained it, the 630 meter band was added to the Canada Table of Frequencies in 2014. Several countries had previously allocated the WRC-12 band to Amateurs domestically. Several other countries had also already authorized temporary allocations or experimental operations on nearby frequencies. The band is in the Medium Frequency (MF) region, within the greater 415–526.5 kHz maritime band. The first International Wireless Telegraph Convention, held in Berlin on November 3, 1906, designated 500 kHz as the maritime international distress frequency. For nearly 100 years, the “600-meter band” (495 to 510 kHz) served as the primary calling and distress frequency for maritime communication, first using spark transmissions, and later CW. In the 1980s a transition began to the Global Maritime Distress Signaling System (GMDSS), which uses UHF communication via satellite. -
A Day in Tampere"
"A Day in Tampere" Created by: Cityseeker 7 Locations Bookmarked Spy Museum "Espionage Stories" This unusual museum is housed within the Finalyson factory building near the busy center of Tampere, and is the first museum of its kind in the world. A curious collection of espionage awaits eager visitors here, featuring exhibit after exhibit about double agents around the globe, their stories, and the cleverly covert devices at their disposal. The lives of by Catlemur notorious spies like Julius Rosenberg, Mata Hari and other legendary secret agents seem wildly interesting, given that one is surrounded by lethal umbrellas, bottles of invisible ink and encryption apparatus. There is also a special collection of garden-variety spy instruments, including lie detectors, eavesdropping equipment, and infrared vision devices. Visitors can also take an 'agent test', following which they receive a recommendation letter to an espionage bureau. +358 3 212 3007 www.vakoilumuseo.fi/inde spy.museum@vakoilumuse Satakunnankatu 18, Tampere x.php/en/ o.fi Tampere Cathedral "Twentieth Century Cathedral" Spearing the bright blue skies of Tampere, the eponymous cathedral is one of the city's best-known sites, inspiring awe with its granite facade, red roofs, and dramatic spires. Designed by architect Lars Sonck, the church was built in a stately National Romantic style. This church aroused vehement debates when it was built at the beginning of the 20th Century, by MatteoTRphoto spurred by the bold paintings of famous Finnish artist Hugo Simberg. The frescoes that were mired in controversy depicted serpentine imagery, nubile figures and morbid skeletons, and denoted sin and corruption. -
New Solar Research Yukon's CKRW Is 50 Uganda
December 2019 Volume 65 No. 7 . New solar research . Yukon’s CKRW is 50 . Uganda: African monitor . Cape Greco goes silent . Radio art sells for $52m . Overseas Russian radio . Oban, Sheigra DXpeditions Hon. President* Bernard Brown, 130 Ashland Road West, Sutton-in-Ashfield, Notts. NG17 2HS Secretary* Herman Boel, Papeveld 3, B-9320 Erembodegem (Aalst), Vlaanderen (Belgium) +32-476-524258 [email protected] Treasurer* Martin Hall, Glackin, 199 Clashmore, Lochinver, Lairg, Sutherland IV27 4JQ 01571-855360 [email protected] MWN General Steve Whitt, Landsvale, High Catton, Yorkshire YO41 1EH Editor* 01759-373704 [email protected] (editorial & stop press news) Membership Paul Crankshaw, 3 North Neuk, Troon, Ayrshire KA10 6TT Secretary 01292-316008 [email protected] (all changes of name or address) MWN Despatch Peter Wells, 9 Hadlow Way, Lancing, Sussex BN15 9DE 01903 851517 [email protected] (printing/ despatch enquiries) Publisher VACANCY [email protected] (all orders for club publications & CDs) MWN Contributing Editors (* = MWC Officer; all addresses are UK unless indicated) DX Loggings Martin Hall, Glackin, 199 Clashmore, Lochinver, Lairg, Sutherland IV27 4JQ 01571-855360 [email protected] Mailbag Herman Boel, Papeveld 3, B-9320 Erembodegem (Aalst), Vlaanderen (Belgium) +32-476-524258 [email protected] Home Front John Williams, 100 Gravel Lane, Hemel Hempstead, Herts HP1 1SB 01442-408567 [email protected] Eurolog John Williams, 100 Gravel Lane, Hemel Hempstead, Herts HP1 1SB World News Ton Timmerman, H. Heijermanspln 10, 2024 JJ Haarlem, The Netherlands [email protected] Beacons/Utility Desk VACANCY [email protected] Central American Tore Larsson, Frejagatan 14A, SE-521 43 Falköping, Sweden Desk +-46-515-13702 fax: 00-46-515-723519 [email protected] S. -
Specifications of Shortwave Radios from Various Manufacturers
http://entropy.brneurosci.org/radio-misc.html Specifications of shortwave radios from various manufacturers Last updated June 6, 2006 The information below was compiled during my (so far unsuccessful) search for the ideal shortwave radio to replace my old Sony ICF-2010. I discovered that there was so much information to digest, the only way to organize it was to put it on a Web page. Much of this information has been pasted directly from the vendors' Websites and may or may not be factually correct. Where the information is known to be incorrect or misleading, this is noted. Most of the opinions are my own, based mostly on the publicly available specifications and comments from various Internet sources. The information describes the specifications of receivers that I have not tested, and summarizes the opinions that seem to be generally held about each receiver based on comments I found on the Internet. I have not personally verified any of this information. In case you're interested, I decided not to buy any of the radios listed here, but repaired my old Sony instead. Receivers Drake R8B Icom R9000 Icom R8500 AOR AR5000 AOR SR1050 Ten-Tec RX-350D Icom R75 Icom IC-PCR1500 and IC-R1500 Icom IC-PCR1000 Kaito WRX-911 Palstar R30 Grundig YB300 Grundig G2000A Grundig YB550 Grundig YB400 Grundig Satellit 800 Eton E1XM Panasonic RF-4900 Yaesu FRG-7 AOR AR-3030 AOR AR-8600 Mark 2 Collins 95S Sony ICF-SW7600 Sony ICF-SW77 Sony ICF-SW2010 Sony ICF-100 Yaesu FRG-9600 Yaesu FRG-100 Review Review AOR AR-One Lowe HF-150 AOR AR7030+ JRC NRD-545 Kenwood R5000 JRC NRD-525 Icom IC-R3 Yaesu VR-5000 Ten-Tec RX-331 Ten-Tec RX-340 Sangean ATS-909 Ten-Tec RX-320D Software-defined radios The number of software defined receivers is exploding. -
Download Details
Finlaysoninkuja, Finlaysoninkuja 9, Tampere, Finland View this office online at: https://www.newofficeeurope.com/details/serviced-offices-finlaysoninkuja-9-t ampere These pleasant and comortable offices have recently been renovated to provide a fully serviced office environment in a period building. Facilities provided include meeting rooms and 24 hour security. The office windows give spectacular views of the courtyard or Tammerkoski River, and there is a kitchen on site for you to use. Transport links Nearest railway station: Tampere Nearest road: Nearest airport: Key features 24 hour access Access to multiple centres nation-wide Access to multiple centres world-wide AV equipment Close to railway station Conference rooms High-speed internet (dedicated) IT support available Meeting rooms Period building Reception staff Security system Shower cubicles Town centre location Location Located in the old industrial area of Tampere, the centre is easily accessible by road, with bus stops nearby. Tampere- Pirkkala Airport is only twenty minutes away, and other nearby amenities include museums, restaurants and hotels. Points of interest within 1000 metres Plevna (parking) - 123m from business centre Tyonpuisto (park) - 201m from business centre Aleksandra Siltanen's Park (park) - 205m from business centre Jack the Rooster (restaurant) - 249m from business centre Finlaysonin kirkko (place of worship) - 266m from business centre Keskikosken voimalaitos (power generator) - 270m from business centre Sokos Hotel Tammer (hotel) - 297m from business centre Tammer -
Useful Info Explore the History Pop By
Naistenlahden voimalaitos 7 EXPLORE THE HISTORY Satamatoimisto 6 6 37 5 Visit the Finlayson and Tampella areas to witness the new life Myllysaari Kekkosenkatu 2 4 Rauhaniementie of the industrial heritage sites. Admire the national landscape, den Parantolankatu kanlah katu 11 Näsijärvi Sou2 15 historical red brick buildings and roaring rapids. Operational in- Pursikatu 19 Kekkosentie ARMONKALLIOHelenankatu dustrial areas and hydroelectric plants coexist in harmony with 95,2 5 19 esplanadi 5 13 Särkänniemi Tampellan 21 4 Soukkapuisto 11 restaurants, movie theatre, cafés, and stores that nowadays 2 16 2 9 7 1 Kaivokatu Tunturikatu 1 8 Helenankuja 5 inhabit some of the former industrial buildings. Walk down by 2 Tammelan puistokatu Tammelan 25 8 6 3 1 7 the rapids towards Kehräsaari where you fi nd the idyllic old 5 6 2 7 3 4 Pohjoinen 4 2 Siltakatu Naistenlahdenkatu Haarakatu 2 Kaarikatu 11 Pohjankulma 6 Moisionkatu factory milieu, which is worth visiting. It is a home to design Välimaankatu6 katu 5 Välimaanpolku Huvipuisto 8 8 2 5 2 5 13 5 3 tu and artisan boutiques, restaurants and an independent Yrjön äka 5 31 TOURIST MAP 8 6 7 25 Kauppi Pajasaari Törngrenin Ihanakatu13 15 17 Pohjolankatu movie theatre Niagara. An es- Sara Hildènin taidemuseo Lepp ratapihankatu 9-11 aukio Rohdin kuja 2-4 VISITTAMPERE.FI Näsinneula 32 30 33 sential part of the city’s history, Kaivokatu 22 10 15 7 Pohjolankatu 18-20 10 13 11 Verstaankatu 11 2 9 10 12 esplanadi 28 5 29 58 Kihlmaninraitti 9 3 and some of the architectural Tel: +358 3 5656 6800 28 Siltakatu 4 sandranenonen 17 6 Akvaario-Planetaario TAMPELLA 7 10 1 pearls of Tampere, are Finlayson Osmonkatu Osmonraitti 9 14 visittampere@visittampere.fi Keernakatu 7 2 2 3 24 Palace, Näsilinna and Tampere Osmonpuisto 17 Runoilijan Tampellan Pajakatu 9 1 Pellavan- 14 Annikinkatu Cathedral. -
180 Aug 19 News
York Newsletter Number 180 August 2019 www.yorku3a.com 15a Clifford Street, York YO1 9RG Registered charity number 1007843 01904 633726 Contents Page Chairman’s Remarks, 3 Editorial 4 Groups Co-ordinator Report 5 Early Days of Cinema & Scrabble 6 Hearing Problems, and Trial 7 Website Changes, Using Equipment 8 Armchair Travellers 9 Bible Exploring 10 YAHR Summer School 12 Crossword 13 Committee, Contacts, Office Opening 14 Saturday Morning Talks+ Solution to Crossword 15 Baltic States Visit Report 19 Sunderland Glass Trip 22 Booking Form Sunderland Glass Trip 23 Front cover picture: Bridges over the Ouse This is Lendal Bridge, the subject of a recent Saturday morning talk, so I guess most would know more than I do about it. It does seem hardly anytime ago that it was the subject of a hot debate regarding traffic flow over it. Anyway, the river still flows downstream, and the picture shows the downstream view. Printed on Recycled Paper 2 Chairman’s remarks So, we come towards the end of another successful U3A year. Saturday’s morning talk, and this newsletter, are the last of the 2018-19 session before we gear up to start again in September. The success of any U3A year, and the ‘gearing up’ process before the next one begins – the membership renewals process involves a great deal of work on the part of a team of office volunteers, and our Membership Secretary in particular – depend entirely on the willingness and commitment of the different teams of volunteers who make it all possible. So, it is appropriate for my open remark to be a heartfelt ‘Thank you’ to all those of you who volunteer in any capacity and thereby keep our branch running. -
Mess in the City at the Moment, It's the New Tram Network Being Built
mess in the city at the moment, it’s the new tram network being built Moro! *) -something that we worked for years to achieve and are really proud of. Welcome to Tampere! So welcome again to our great lile city! We are prey sure that it’s the best Tampere is the third largest city and the second largest urban area in Finland, city in Finland, if not in the whole Europe -but we might be just a lile bit with a populaon of closer to half a million people in the area and just over biased about that… We hope you enjoy your stay! 235 000 in the city itself. The Tampere Greens Tampere was founded in 1779 around the rapids that run from lake Näsijärvi to lake Pyhäjärvi -these two lakes and the rapids very much defined Tampere and its growth for many years, and sll are a defining characterisc of the *) Hello in the local dialect city. Many facories were built next to the energy-providing Tammerkoski rapids, and the red-brick factories, many built for the texle industry, are iconic for the city that has oen been called the Manchester of Finland -or Manse, as the locals affeconately call their home town. Even today the SIGHTS industrial history of Tampere is very visible in the city centre in the form of 1. Keskustori, the central square i s an example of the early 1900s old chimneys, red-brick buildings and a certain no-nonsense but relaxed Jugend style, a northern version of Art Nouveau. Also the locaon of atude of the local people. -
Tampere, Finland
Proposal to hold the 23RD INTERNATIONAL CONGRESS OF HISTORICAL SCIENCES on 21–30 August 2020 in Tampere, Finland Proposal to hold the 23RD INTERNATIONAL CONGRESS OF HISTORICAL SCIENCES on 21–30 August 2020 in Tampere, Finland CONTENTS Letter of Invitation from the University of Tampere ................................................................................. 3 Letter of Invitation from CISH National Committee (Finnish Historical Society) ................................................. 4 Letter of Invitation from the City of Tampere ........................................................................................ 5 Why Finland – Why Tampere ............................................................................................................. 6 University of Tampere .................................................................................................................... 7 Congress organization ..................................................................................................................... 8 Finances ................................................................................................................................... 10 Finland – your host country............................................................................................................. 11 Tampere – the congress city ........................................................................................................... 12 Travel to the congress site ............................................................................................................ -
Inside This Issue
News Serving DX’ers since 1933 Volume 82, No. 7●December 29, 2014● (ISSN 0737-1639) Inside this issue . 2 … AM Switch 11 … Domestic DX Digest East 16 … College Sports Networks 5 … Membership Report 14 … International DX Digest 17 … Treasurer’s Report 6 … Domestic DX Digest West 15 … Musings of the Members 18 … Geo Indices/Space Wx Board Announcement: The NRC Board of DecaloMania in Fort Wayne, Indiana, July 10‐12, Directors is pleased to announce the 2015. More details will be forthcoming as our appointment of its newest member to the BoD to host Scott Fybush works them out. fill the vacant seat left by Ken Chatterton after DX Tests: If you want to help arrange tests, his resignation earlier this year. Dave Schmidt, contact Brandon Jordan, the NRC/IRCA Test who has served as Musings of the Members Coordination, at P.O. Box 338, Rossville TN editor for over twenty years and DDXD editor 38066, (901) 592‐9847, and [email protected]. before that, is our newest BoD member. Dave Brandon has set up a web site at also has a keen interest in record collecting and http://dxtests.net/ for the latest test info. And Internet radio (maybe he’ll tell you more in a follow him on Twitter @AMDXTests for the latest Musing soon!). Welcome, Dave! – Paul test info. Swearingen, NRC BoD Chairman. PARI DXpedition: Via the NASWA Journal, DXAS: Fred Vobbe has announced that he Thomas Witherspoon is planning a unique will be stepping down as publisher of the DX DXpedition to the Pisgah Astronomical Research Audio Service after the April 2015 issue. -
2017 Lighthouse Tours a Better Way to See Lighthouses! What Can You Expect from a USLHS Tour?
UNITED STATES LIGHTHOUSE SOCIETY 2017 LIGHTHOUSE TOURS A BETTER WAY TO SEE LIGHTHOUSES! WHAT CAN YOU EXPECT FROM A USLHS TOUR? You will be in the company of lighthouse lovers, history buffs, world travelers, and life-long learners A MESSAGE FROM THE DIRECTOR who enjoy the camaraderie of old friends and new. Our members are known for being fun-loving and People all over the world are naturally drawn to inclusive! Single travelers are always welcome. lighthouses. Typically located in the most beautiful locations on the planet, they reward those We are often able to explore, climb, and/or of us who love to travel with stunning natural photograph lighthouses, not open to the public, landscapes and transcendent vistas. Historically, usually found in remote locations. Your journey lighthouses were built to save lives, giving them to a lighthouse could involve charter boats, off a human connection unlike any other historic road vehicles, helicopters, float planes, or perhaps horse drawn carriages! Travelers have even found landmark. They represent attributes all of us themselves on golf carts, jet boats, and lobster strive for: compassion, courage, dedication, selflessnessand humility...and trawlers just to get that perfect lighthouse when you visit a lighthouse, you are destined to be moved in ways that viewpoint! connect you with something larger than yourself. U.S. Lighthouse Society tours are designed intentionally for those who Tour itineraries are designed to provide love traveling to amazing places and who desire to connect with others opportunities to visit other regional landmarks and who share a common passion for lighthouses and what they stand for. -
AM Loop Antennas AM LOOP ANTENNAS Introduction
AM Loop Antennas AM LOOP ANTENNAS Introduction An AM loop antenna is one of the true marvels of electronics. Requiring no power, it takes advantage of the resonant properties of an inductor and a capacitor connected in parallel to receive weak AM stations. The "loop" part of the antenna is the inductor, and the tuning capacitor makes it resonate at a desired frequency. As a boy in Abilene in 1967, I discovered the basic principle of the loop antenna. By removing a relatively small spiral loop in my five tube table radio, and substituting a much larger loop salvaged from an older radio, I could receive my favorite station - KLIF from Dallas better. I hid the loop in a cardboard holder featuring the logo of a favorite rock band, and enjoyed many hours of good listening. Lacking the mathematical background to understand antenna theory - I could not take the concept to the next phase: designing my own loop. Nevertheless, the spiral loop - combined with the antenna section of the radio's tuning capacitor - formed a very good loop antenna. I understood quite well that the bigger the loop, the more stations I could receive. The schematic diagram of an AM loop antenna is shown below. It consists of an inductive winding, which is supported on a frame, and a variable tuning capacitor that can be salvaged from a junk radio. The inductive winding consists of a primary, which forms a resonant network with the tuning capacitor, and a secondary "sense" winding that can be connected to a radio. In practice, however, the sense winding is not needed if the loop antenna can be placed near the radio - mutual coupling will take place with the antenna in the radio.