Difference between revisions of "Logbook Of The World"

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Logbook of the World (LoTW) is a web-accessed database provided by the American Radio Relay League (ARRL) to implement a contact verification service among amateur radio operators. Using LoTW, radio amateurs (hams) can claim and verify contacts (QSOs) made with other amateurs, generally for claiming credit for operating awards, such as DXCC. This kind of verification formerly required exchange of paper QSL cards and submission to ARRL, a slow and somewhat expensive process. LoTW began operation in 2003.
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Logbook of the World (LoTW) adalah database yang dapat di akses via web disediakan oleh Amerika Radio Relay League (ARRL) untuk melaksanakan layanan verifikasi kontak antar operator radio amatir. Menggunakan LoTW, amatir radio (ham) dapat mengklaim dan memverifikasi kontak (QSO) dibuat dengan amatir lainnya, umumnya untuk mengklaim kredit untuk penghargaan operasi, seperti DXCC. Jenis verifikasi sebelumnya diperlukan pertukaran kartu kertas QSL dan penyerahan ke ARRL, proses yang lambat dan agak mahal. LOTW mulai beroperasi pada tahun 2003.
  
 
==Confirmation process==
 
==Confirmation process==
  
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The LoTW system emphasizes secure authentication using cryptographic key distribution. An amateur's computer-based logbook, in ADIF[2] or Cabrillo[3] format, must be "signed" using a key obtained from ARRL. (Logbook data includes callsigns and locations of stations, contact time, frequency, and operating mode.) ARRL assigns such keys to amateurs who appear in the U.S. FCC licensing database or to non-US amateurs who provide alternate proof of identity.
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Sistem LOTW menekankan otentikasi aman menggunakan distribusi kunci kriptografi. Buku catatan berbasis komputer amatir, dalam ADIF atau Cabrillo Format, harus "ditandatangani" menggunakan kunci yang diperoleh dari ARRL. (Data buku catatan termasuk callsigns dan lokasi stasiun, waktu kontak, frekuensi, dan modus operasi.) ARRL memberikan kunci tersebut untuk amatir yang muncul dalam database perizinan US FCC atau amatir non-AS yang memberikan bukti alternatif identitas.
  
 
Once a log file has been signed using ARRL's "TrustedQSL" (or equivalent) program, it is uploaded to the ARRL server and entered in the database.
 
Once a log file has been signed using ARRL's "TrustedQSL" (or equivalent) program, it is uploaded to the ARRL server and entered in the database.

Revision as of 10:08, 19 August 2015

Logbook of the World (LoTW) adalah database yang dapat di akses via web disediakan oleh Amerika Radio Relay League (ARRL) untuk melaksanakan layanan verifikasi kontak antar operator radio amatir. Menggunakan LoTW, amatir radio (ham) dapat mengklaim dan memverifikasi kontak (QSO) dibuat dengan amatir lainnya, umumnya untuk mengklaim kredit untuk penghargaan operasi, seperti DXCC. Jenis verifikasi sebelumnya diperlukan pertukaran kartu kertas QSL dan penyerahan ke ARRL, proses yang lambat dan agak mahal. LOTW mulai beroperasi pada tahun 2003.

Confirmation process

Sistem LOTW menekankan otentikasi aman menggunakan distribusi kunci kriptografi. Buku catatan berbasis komputer amatir, dalam ADIF atau Cabrillo Format, harus "ditandatangani" menggunakan kunci yang diperoleh dari ARRL. (Data buku catatan termasuk callsigns dan lokasi stasiun, waktu kontak, frekuensi, dan modus operasi.) ARRL memberikan kunci tersebut untuk amatir yang muncul dalam database perizinan US FCC atau amatir non-AS yang memberikan bukti alternatif identitas.

Once a log file has been signed using ARRL's "TrustedQSL" (or equivalent) program, it is uploaded to the ARRL server and entered in the database.

Log records in the LoTW database are automatically compared so that when a contact at a particular time, operating mode, and frequency band is claimed by both participating amateurs (who both must have submitted their logs), a "QSL" (confirmation) is declared for a later award claim, e.g., for contacts with all U.S. states or 100 different countries. The matching process is blind, meaning that none of the two stations can see pending confirmations for him before he uploads a matching record. The LoTW QSL is purely electronic; there is no paper confirmation.

A LoTW-registered amateur may log in to the LoTW website to view his or her logged QSOs and the verified QSL matches. When the amateur has a sufficient number of LoTW and/or traditional paper QSLs, he or she may apply for an ARRL award. As of January 2012, LoTW credit may be used for credit for awards issued by the ARRL and by CQ Magazine. The ARRL does not recognize other web-based QSL systems, such as eQSL, for awards credit.


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