Log4OM V2 is a free software developed by Daniele Pistollato IW3HMH for complete station and station log management. The application is developed in the C # language and is suitable for any operating system Windows 7 and higher. The software can also be run on Linux computers using the "Wine" emulator for Windows, or on Mac OS X computers using the "Parallels" or "Boot Camp" emulation software. However, the Log4OM V2 team does not provide support for the program if it is running on Linux or Mac computers.
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Customizable Log4OM station log
Log4OM V2 is designed to be easy to understand and at the same time easy to adapt to individual requirements. QSO sú Vaše, a preto nebola urobené žiadne obmedzenia, ktoré by zabránili užívateľovi v prístupe k dátam QSO (vrátane priameho prístupu k akémukoľvek použitému zdroju databázy). Každé nastavenie, zoznam alebo databázy programu sú uložené v textových súboroch, JSON alebo XML. Tento prístup umožňuje užívateľovi upraviť zoznam diplomov, contestov, prevádzkových režimov, pásiem, bandplánom, pohľadov na QSO a všetkých ostatných dostupných parametrov a informácií. Tieto informácie sú voľne prístupné a použiteľné inými programami a užívateľ ich môže v prípade potreby aktualizovať nezávisle. Databáza používaná pre ukladanie QSO je SQLite, čo je open-source a bezplatné nástroje sú k dispozícii pre čítanie a zápis dát do databázy z internetu.
More advanced users may wish to take advantage of the MySQL database support included in the program, which allows Log4OM V2 to be used as a multi-station network log for contests and DX expeditions.
The software is free to download at https://www.log4om.com/download/, its use is free and available for any purpose.
Advantages of Log4OM
Log4OM supports HAMQTH, QRZ.COM, QRZCQ and HAMCALL internet callbodies to find information and can also upload to ClubLog and load the CTY file. It can also share data to HRDLog.net, LoTW, eQSL, HAMQTH, QRZ.COM. The second interesting feature is the integration of VOACAP, which allows a better understanding of the propagation conditions. The third advantage is the excellent instructions in Czech written for Log4OM by Miloš Jiřík OK5AW and Pavel Slavíček OK1VK.

Features of Log4OM
• Accurate search of the call sign and the data associated with it
• Diplomas, awards, rankings are fully configurable by the user
• Band mapping of cluster spots with multiple band browsers individually filtered according to the mode and band set by the user
• Vyhľadávanie volacích značiek z viacerých externých zdrojov – QRZ, HamQTH, QRZCQ, HamCall a ClubLog s automatickým zálohovaním do sekundárneho zdroja, ak primárny zdroj neobsahuje žiadne dáta
• Online graphics QSL with call sign and display QTH on a large scale map
• Support for incoming / outgoing dynamic UDP on multiple ports and services
• Easy to use mouse or keyboard
• Vylepšená Support contestového režimu s integrovaným displejom CAT
• Extended Winkeyer support with integrated CAT display
• There is a full report confirming QSO data by different delivery methods, including the most appropriate type of confirmation and subsequent merging of QSO confirmation data
• Full support SOTA a IOTA
• Improved QSO search engine with support for complex queries without SQL knowledge requirements (AND, OR, nested conditions)
• Integration with on-line denníkmi LoTW, eQSL, QRZ.com, HamCall, Clublog, HamQTH, HRDlog.net atď.
• Integration with N1MM, PSTRotator, QARTest, WSJT-X, FLDigi

• Intelligent cluster includes information from multiple cluster servers and HRDLog Super cluster with live quality display
• Intelligent cluster filtering provides automatic selection of information for diplomas
• Band maps for multiple cluster browsers by BAND and MODE
• Analysis of radio wave propagation using the VOACAP program combined with a call sign search and a DX cluster that predicts the probability of connection
• Device control (CAT) via Omnirig or Hamlib software
• Gray line presentation in real time with long and short routes and descriptions
• Searching and filtering data is the most advanced of all log programs
• Securing user information and data with multiple backup options and locations
• UDP incoming, outgoing and proxy devices
• User configured layouts for cluster and log grids
• Voice Keyer
Log4OM V2 is constantly evolving and new versions with new features are released regularly. The author tries to maintain compatibility with previous versions of the database. However, it is important to create a backup copy of your data before performing any update, as the program publisher is not responsible for any lost data.
Log4OM download
You can download the Log4OM station log for free from https://www.log4om.com/download/ and a manual in the Czech language on https://www.log4om.com/l4ong/usermanual/Log4OMNG_CZE.pdf
