Arrl org files

Not all MP3 players will treat the link the same, and some players may not work on the link type. The second link is the actual text of the code practice file.

Please note that the text file may contain control characters. You will hear these characters as regular Morse code prosigns or abbreviations.

The various archive files are available from the following links. Access to each other archive is also available from any of these various pages:. This allows for a different transition file with each update. Forgot Password? Additional Resources. The PDF file on the web has been corrected. Rubens R. This file includes software updates provided by the author on 1 Dec This column discusses one wavelength loops. This is the final Antenna Options column that we had received from L.

This column discusses various types of reflectors. It is with the deepest sorrow that we report that L.

Excel and Quatro Pro format spreadsheets for calculations described in the Antenna Options column. This column discusses impedance matching for beam antennas. This column looks at some larger choices for horizontally polarized omnidirectional antennas. This column explores some horizontally polarized omnidirectional antennas. This column looks at circularly polarized satellite antennas. This column looks at reversible wire beam antennas. This column looks at NVIS antennas for special needs.

That new file is the one linked here for download. This column looks at various narrowband NVIS antennas. This column explores some options for wire beam antennas. This column looks at various horizontal dipole arrays.

This column looks at various vertical dipole arrays. If the Callsign Certificate has expired , renew it. If the Callsign Certificate was deleted, recover the deleted Callsign Certificate from a backup file. If the Callsign Certificate is invalid , request a replacement.

If you are using Kaspersky AntiVirus, disable its Scan encrypted connections option. When running TQSL on Fedora Linux version 21 or later, "certificate signature failure" errors will be reported because this version of Fedora does not by default enable a digital signature capability used by LoTW.

To enable this digital signature capability, add the following line to the. You can determine if that's the case. Another possibility is that you submitted the QSO with the wrong callsign. Troubleshooting When solving a problem in the use of LoTW, first confirm that you are running the current version of TQSL ; if not, upgrade TQSL to the current version confirm that you can log in to your LoTW Web Account if the LoTW web site does not respond, check here to determine whether LoTW is unavailable in which case you should wait until it returns to service , or whether your computer is unable to access LoTW via the internet; if the latter, check to see if your computer can access any web site on the internet.

Correcting Submitted QSOs.