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Number 85 — :1 [arc/1, "Flprz'f 2003 Mfl/[czgni teatm ch‘L‘froy T-500'Bzg]Key I I I The InternationalI Journal of IMorse I I Telegraphy I Comment For a second issue in a row, I have to announce the passing of another great contributor MM. Dr. E. Geoffrey Walsh. GM4FH died on 26‘“ March. He was an enthusiastic contributor to MM as well as to “Transmitter", the newsletter of the Museum of Communication Foundation Trust. at Bo'ness near Edinburgh. He was an eminent medical physiologist at the University of Edinburgh, with medical degrees at Oxford and Harvard. but in his retirement years applied his research skills to many lifelong practical interests, especially Morse. He has written fascinating articles for MM, some as yet unpublished. To be greatly missed. Zyg Nilski, G30KD Contents News MM Photocopy Service Muckleburgh Update by Tony Smith, G4FAI Trains, Times & Telegraphs by E. Goof/"my Walsh, GM4FH ( SK) Showcase Morse Matters — Iambic Keying/DSP Audio Filter/How Fast is Fast by Dr Gary Bold, ZLIAN 33 William G. Pierpont — SK by Tony Smith, G4FAI 34 MM Bookshelf 36 Info Please! 38 Your Letters 46 MM Binders 47 Readers Ads flab/ems 4O Radio Bygones 32 Fists CW Club — The International Morse Preservation Society 9 Morse Enthusiasts Group, Scotland 46 The Radio Officers Association 45 G-QRP Club 47 The Art & Skill of Radio Telegraphy — book by William G. Pierpont. NQHFF Mflvf85 — Marcfi/flpriMOOJ’ 1 News Auction of Surplus museum store at Ashford. Middlesex. BT Museum Items BT‘s £6 million investment in the future conservation of the UK‘s uniquely rich Thousands of historic telecommunica- telecommunications heritage has three major. tions objects. such as switchboards. already produced new. telecommunications telephones and vehicles went under permanent with a further three in the the hammer at a one day public auction galleries, in February 2003 when British planning stage. Telecom‘s Connected Earth project Also an award—winning Museum www.connected- entered its final phase. on the Internet, and curatorial and The auction was held at BT‘s earth.com. two new research posts have been Belgium created at the N a t i o n a 1 Halle, Museums of Scotland and the Berghen, Science Museum in London. The Vanden new galleries are Fons at BT‘s G o o n h i l l y Satellite Earth Photo/Collection: Station in C 0 r n w a 1 l . A m b e r l e y W o r k i n g Museum 1n Sussex and Keyboard for Baudot telegraph (1870’s). The Frenchman Emile Baudot A v o n c r 0 ft devised his telegraph so that he could apply a mechanical time division Museum of multip/erallowing to concentrate up to 6 stations on 1 line. This was possible H i s t o r i c code i), by using a 5 element /charactercode (forerunner of the teleprinter Buildings in the therefore the 5 keys on his transmitter. West Midlands. 2 MM85 - Morefi/flprJZOO} Portable Breguet. This is a Belgium quite unique version ofthe ABC- or Dial telegraph by Halle, Breguet (1850's). It is a portable version including Berghen, transmitter, receiver, galvanometer and bell and was made in Vanden a s s o c i a t i o n with Observe Fons Cross/ey’s. the typical English characters (eg. E) at the Tx and Rx scales. Photo/Collection: Plans for further galleries are underway at the National Museums of Scotland (due to open Autumn 2003), The Museum of Science and Industry Manchester (2004), and the Museum of London (2006). During the Autunm, recognised museums around the UK were invited to take their pick from BT‘s remaining historic material, to enhance their collections Lord Kelvin. All these artefacts have and exhibitions on social history, been supplied free of charge. science and technology. Private individuals, collectors An open week at Ashford, and enthusiasts were able to bid for the Middlesex in October attracted interest remaining items. These were mainly from over 40 institutions from around duplicates or incomplete objects of no the country. Museums which have museological importance. Funds raised benefited include both large and small from the auction have been ploughed organisations: the Great Western back into the Connected Earth project. Railway Society took some telegraph Examples of objects in the sale included instruments relating to the development valves, telephones, switchboards. old of the railway, and the Hunterian telegraph instruments. old vehicles. Museum in Glasgow has acquired posters, publications and ephemera, objects relating to the Scottish inventor amounting to over 2000 lots. MM85 — March/flprfl2003 3 Belgium Halle, Berghen, Vanden Fons Photo/Collection: fir "at. Bright Bell ’5. Already patented in 1853. The forerunner of the Double Plate Sounder, this one with a galvanometer Richard Lloyd. prOject i from BT‘s histon'an and curator of col— for Earth, said: director Connected ‘ lections, Neil Johannessen. “We‘ve had a tremendous response from museums around the UK. who have had their opportunity to choose Belgium something from our telecommunications Haile, heritage for their own collections. Now it‘s the Berghen, tum of the general public and we expect a lot of Vanden interest from people Fons nostalgic for the early days of the telegraph and telephone." Photo/Collection: BT‘s responsibil— ity for the telecommunica- tions will continue heritage Sullivan Mirror Galvanometer based upon the Deprez-d’Arsonva/ through the Museum on the principle. It was used formeasurementsbut also as a receiver for Internet. www.connected- undersealinks because of its high sensitivity. A detailed description earth.com, with support can be found in the reference book by Karrass of 1909. 4 Mill/[85 - March/flpri[2003 GBR Radio HAVE BEEN REQUIRED AND Rugby WHOSE COOPERATION HAS ‘ Closes on 16 kHz ENABLED THE SERVICE TO RUN SO SMOOTHLY. A BIG THANK YOU MUST GO TO ALL OF THOSE WHO OVER THE GBR. Rugby Radio, the VLF station 3 YEARS HAVE BEEN INVOLVED that operated a CW service on 16 kHz I IN THE DESIGN, CONTRUCTION , officially closed down at midnight on MAINTENANCE AND OPERATION Monday 31st March 2003 after 77 years OF GBR. THEY CAN FEEL of operation. 3 VERY PROUD OF PROVIDING A It was conceived in 1910 to 3 CONSISTENT HIGH LEVEL OF 1 help provide a reliable world-wide RELIABLE SERVCE AND A JOB wireless service mainly for the Royal . WELL DONE. Navy, but it was not until 1926 that the station was completed on the 910 acre THIS IS THE FINAL site. Other transmitters and antennae ‘ TRANSMISSION AND GBR WILL were added to the site over time NOW BE SHUT DOWN FOR THE including those for Portishead Radio LAST TIME. GKA. All other short. medium and 1 GBR GBR QRT long wave telegraphy transmissions i from the site have also ceased except (Ilzfimnmimz: Norma/1 Varnes, G4 YXX.) for the MSK time and frequency signals on 60 kHz. for the National Physical Laboratory. which will continue for the time being. A special close—down message was transmitted at 0000 and 0020 GMT on lst April 2003. This was copied by Paul. G4KHU and the transcn'pt reads: New QRSS Software VVV DE GBR VVV DE GBR A new version of the software for AFTER '77 YEARS 3 MONTHS transmitting very slow CW by Rick OF ALMOST CONTINOUS Strobbe. ON7YD is now available for OPERATION THE GBR 16 KHZ download from http://www.qsl.net/ SERVICE FROM BT RADIO on7yd/software.htm STATION RUGBY CEASES ‘ This version (4.01) is TODAY. A THANK YOU T0 1 compatible with Windows 2000 and OUR CUSTOMERS MAINLY THE . XP. Version 3.17 is still available ROYAL NAVY, WITHOUT WHOM : from the same web page for users of THE SERVCE WOULD NOT earlier Windows editions. MM85 — Marcfi/flprMZOOJ 5 VLF QRP QRSS CW [0 Game objective: to achieve the highest score in a continuously UK to Alaska updateable worldwide classifica- tion. Alaska was worked from the United 3. The score is determined by the QRB Kingdom usingjust 1 watt ERP. This is of a single Q30 and is calculated in quite a feat for any band. but the Radio the following way: “(QRB x 5) : Society of Great Britain reports that Pout" for example (5000 Km x 5) : Laurie Mayhead. G3AQC. was heard 10 Watt = 2500 points - (5000 Km in Alaska on 136 kHz. x 5) : 5 Watt = 5000 points (5000 In the early hours of February Km x 5) : 4 Watt = 6250 points. 15th. he transmitted to Laurence 4. “Pout" is defined as the RF power Howell. GM4DMA/KL1X located in output from the connector and will Anchorage. Alaska. Just before UK be considered in steps of 1 watt dawn at 0615 his call sign was clearly rounded to the highest number (e.g. identified using software to read the 1.2W=2W — 5.9W=6W). signal. j 5. The QRB will be calculated by G3AQC was using QRSS—very entering the geographical slow CW—with a 60—second-long dit. coordinates of the two qth's in The 7278-km distance is a transmission dedicated software. In absence of record using a power of 1 watt ERP on coordinates the country-country 136 kHz. QRB will be calculated. Two years ago. Mayhead and 6. For a homemade TX. or homemade Larry Kayser. VA3LK. made ham radio RX. made by the participant, even history when they completed the first from a Kit. a bonus of 1000 points two-way transatlantic exchange on 136 will be added. kHz. also using very slow speed CW. 7.