SHEIGRA DXPEDITION REPORT 6-19 October 2007 - with Alan Pennington, Dave Kenny & Tony Rogers
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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. -
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. -
Sheigra Dxpedition Report 29Th October to 12 Th November 2016 - with Dave Kenny & Alan Pennington
Sheigra DXpedition Report 29th October to 12 th November 2016 - with Dave Kenny & Alan Pennington This was the 56 th DXpedition to Sheigra in Sutherland, and the first during November since back in 2004. We last made the long drive up to the north-west tip of the Scottish mainland in March 2015. Prior to that, there had been six DXpeditions in the Autumn, but all earlier, in October. So we would benefit from some longer hours of darkness this time. This was Dave’s 21 st DXpedition to this tiny crofting settlement, and Alan’s 13 th , so we knew what to expect there by now! Whatever the conditions threw up, both weather-wise and propagation-wise, the wild landscape and peace and solitude in Sheigra always make the long journey worthwhile! For the third time, our DX base would be Murdo’s traditional crofting cottage, whose location makes it ideal to put up Beverage aerials targeting the Americas and the Far East – see list of aerials below. We arrived early afternoon on Saturday 29 th October, after an overnight stop in Perth, and took advantage of the calm, cloudy but dry weather to put up two aerials before dark: the 260 degree Beverage which runs to the west, ending very close to the rocky coast, and the 160/340 degree wire, running slightly west of north, up the hill behind the cottage. The 260 degree wire we would terminate the next day with a copper earthing rod; the 160/340 degree aerial would be our UK/Africa aerial when unterminated, or our 340 degree Alaskan aerial when terminated. -
Exploring the Atom's Anti-World! White's Radio, Log 4 Am -Fm- Stations World -Wide Snort -Wave Listings
EXPLORING THE ATOM'S ANTI-WORLD! WHITE'S RADIO, LOG 4 AM -FM- STATIONS WORLD -WIDE SNORT -WAVE LISTINGS WASHINGTON TO MOSCOW WORLD WEATHER LINK! Command Receive Power Supply Transistor TRF Amplifier Stage TEST REPORTS: H. H. Scott LK -60 80 -watt Stereo Amplifier Kit Lafayette HB -600 CB /Business Band $10 AEROBAND Solid -State Tranceiver CONVERTER 4 TUNE YOUR "RANSISTOR RADIO TO AIRCRAFT, CONTROL TLWERS! www.americanradiohistory.com PACE KEEP WITH SPACE AGE! SEE MANNED MOON SHOTS, SPACE FLIGHTS, CLOSE -UP! ANAZINC SCIENCE BUYS . for FUN, STUDY or PROFIT See the Stars, Moon. Planets Close Up! SOLVE PROBLEMS! TELL FORTUNES! PLAY GAMES! 3" ASTRONOMICAL REFLECTING TELESCOPE NEW WORKING MODEL DIGITAL COMPUTER i Photographers) Adapt your camera to this Scope for ex- ACTUAL MINIATURE VERSION cellent Telephoto shots and fascinating photos of moon! OF GIANT ELECTRONIC BRAINS Fascinating new see -through model compute 60 TO 180 POWER! Famous actually solves problems, teaches computer Mt. Palomar Typel An Unusual Buyl fundamentals. Adds, subtracts, multiplies. See the Rings of Saturn, the fascinating planet shifts, complements, carries, memorizes, counts. Mars, huge craters on the Moon, phases of Venus. compares, sequences. Attractively colored, rigid Equat rial Mount with lock both axes. Alum- plastic parts easily assembled. 12" x 31/2 x inized overcoated 43/4 ". Incl. step -by -step assembly 3" diameter high -speed 32 -page instruction book diagrams. ma o raro Telescope equipped with a 60X (binary covering operation, computer language eyepiece and a mounted Barlow Lens. Optical system), programming, problems and 15 experiments. Finder Telescope included. Hardwood, portable Stock No. 70,683 -HP $5.98 Postpaid tripod. -
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. -
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. -
EDXC Conference 2017
50 th EDXC Conference in Tampere Alan Pennington reports from Finland The 2017 European DX Council (EDXC) conference was held in Tampere, Finland between 18 th - 20 th August, hosted by the Finnish DX Association (FDXA) (Suomen DX-Liitto (SDXL) in Finnish). Local FDXA member club is the Tampere DX-listeners club (TreDXK). Both EDXC and TreDXK, were celebrating their 50 th anniversary this year, having been founded in 1967. On 6 th December this year, Finland will also celebrate 100 years of independence from Russia. So lots to celebrate! Helsinki Central railway station. Risto outside FDXA office in Helsinki Those delegates staying in Helsinki on the day before the conference started were kindly invited on a short walking tour of some of Helsinki’s city centre attractions, led by Risto Vähäkainu of the FDXA, which ended with some welcome local refreshments at the FDXA office in Annankatu. The city of Tampere is in southern Finland, a 160km 90-minute express train ride north of the capital, Helsinki. It is sited between two lakes which are linked by the Tammerkoski, a 1km channel of rapids whose power was harnessed by the textile industry in the 19 th century, and whose heritage red brick mills still line its banks. As a result, the city is often compared to Manchester (UK), but today the old industries have gone, and it is a thriving modern technology and university city, the third largest in Finland with a population of around 220,000. The conference venue was the modern Varala Sports Institute (https://varala.fi ), sited in a lakeside forest, 3km from Tampere city centre. -
The Americas on Shortwave
British DX Club The Americas on Shortwave Guide to shortwave broadcasts in the Americas (and Antarctica) September 2021 featuring schedules for the A21 season The Americas on Shortwave This guide covers shortwave broadcasting in the Americas (and Antarctica). Contents 2-17 North America 18-20 Central America and the Caribbean 21-29 South America 29 Antarctica Descriptions used in this guide have been taken from radio station websites and Wikipedia. This guide was revised on 27 September 2021 Please check www.dxguides.info for the very latest edition of this guide. Compiled and edited by Tony Rogers Please send any corrections and updates to: [email protected] or [email protected]. Thank you! North America Alaska KNLS International KNLS International is an international shortwave radio station near Anchor Point, Alaska. The station is operated by World Christian Broadcasting, a non-profit company based in the United States. KNLS broadcasts in English, Chinese and Russian to East Asia and the Russian Far East. Transmitter site: Anchor Point - 2 x 100 kW. Time/UTC Days Language Target kHz 0800-0900 Daily English East Asia 9695 0800-0900 Daily Chinese East Asia 11875 0900-1000 Daily Russian Russian Far East 9695 0900-1000 Daily Chinese East Asia 11875 1000-1100 Daily English East Asia 9580 1000-1100 Daily Chinese East Asia 9685 1100-1200 Daily Russian Russian Far East 9580 1100-1200 Daily Chinese East Asia 9730 1200-1300 Daily English East Asia 7355 9795 1300-1400 Daily Chinese East Asia 7395 9740 1400-1500 Daily Chinese East Asia 7355 1400-1500 Daily English East Asia 9580 1500-1600 Daily Russian Russian Far East 9800 1500-1600 Daily Chinese East Asia 9760 2 Canada CFVP Calgary AB CFVP is the full-time shortwave rebroadcaster of CKMX (Funny 1060 AM) in Calgary, Alberta. -
Inside This Issue
News Serving DX’ers since 1933 Volume 80, No. 20● February 18, 2013 ● (ISSN 0737-1639) Inside this issue . 2 … AM Switch 7 … Domestic DX Digest East 10 … Domestic DX Achievement 3 … GY DX Achievement Update 8 … Space Weather Forecast 12 … Club Info Page 4 … Domestic DX Digest West 9 … International DX Digest Minneapolis DX Convention Registration WRTH Raffle: How would you like a new Info: The NRC and IRCA, the Minnesota DX 2013 WRTH for $10? The NRC has 4 copies that Club and the Worldwide TV‐FM DX Association will be available to members. To receive a will convene in Minneapolis August 1‐4, 2013. chance at the drawing, just send a postcard or The hotel selected for the 2013 Convention is letter to NRC WRTH Drawing, PO Box 473251, the Holiday Inn Bloomington South Airport Aurora, CO 80047‐3251. We’ll draw 4 names Mall in Minneapolis. The hotel provides free and notify the winner by phone, provided you transportation to and from the airport and the supply your number. The 4 lucky winners will Mall of America and will host the Saturday receive the WRTH after they send us $10 to night joint banquet. All hotel rooms have cover shipping and handling (and a buck or two microwave and refrigerator, HD cable. Free for the NRC Treasury). Deadline for your WiFi, and a Business Center are available. response in the PO Box will be: Monday There’s a great pool area where we’ll have a February 25. Hospitality room. Breakfast is provided each morning and there’s a Green Mill Restaurant Membership Report and bar area. -
Shortwave Radio Guide IV (Vtb2k.A)
Shortwave Radio Guide IV (vTB2k.a) Long Distance AM Stations Short Wave Stations (around the world) Short Wave Utility & Emergency Freq Short Wave Program Listings Links to various web sites with SW frequencies http://www.triwest.net/~dsampson/shortwave/ http://detroit.freenet.org/mare/SWBCSkeds.html http://www.fineware-swl.com/schedules http://www.monintoringtimes.com For Radio Equipment: http://www.solareagle.com/radios.html SW Reciever recommendations: Basic: Info-Mate AM/FM/SW/Weather, Air, TV, with 5 power sources (solar, wind-up, niCd batteries, AC adapter, DC automotive adapter); $60 Medium: Sangean ATS 505P; Digital with memories; $130 Almost any digital radios with multi memories in the $150-$200 range is good. Digital freq entry makes finding a specific station easy. Tend to be battery eaters (may want an Info- Mate for a backup) Extra wire attached to antenna boosts received signal Earphones help listening when the SW signal is fading This guide is divided into 9 sections: ..........US Clear Channel AM Stations-night long distance ..........N. AM Directed SW Stations by Country with times ..........N. AM Commercial SW and AFRTS Stations ..........SW Stations by Country Freq List - by C. Crane ..........SW Schedules by Time worldwide-Prime Time SW ..........SW Stations by Country - Prime Time SW ..........SW Utility Services & Emergency Services-freq ..........Program Listings worldwide (SW) - Mark Fine ..........Art Bell’s SW Stations/Programs - Western US This guide has been compiled by “Curious” of the Timebomb2000 forum: http://www.timebomb2000.com with minor modifications by Solareagle.com US Clear Channel AM Stations KFQD, Anchorage, AK (long distance at night) WJR, Detroit, MI.......................760 WABC, New York, NY.............770 These channels used to be used exclusively KKOB, Albuquerque, NM by just one station (except sharing with WBBM, Chicago, IL..................780 Alaska stations in some cases) but now are KNOM, Nome, AK often shared with one other station in the KKOH, Reno, NV lower 48. -