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Linux, MacOS and Windows QSO logger for Emacs with a customizable dynamic form for rapid data entry into an ADIF file. Suitable for general logging or contesting, it can be customized to use almost any combination of fields in the ADIF 3.1.4 specification.
Logitech Unifying receiver (older) Logitech Unifying receiver (newer) Unifying logo The Logitech Unifying Receiver is a small dedicated USB wireless receiver, based on the nRF24L-family of RF devices, [1] that allows up to six compatible Logitech human interface devices (such as mice, trackballs, touchpads, and keyboards; headphones are not compatible) to be linked to the same computer using 2 ...
7.0–7.3 MHz/10.10–10.15 MHz, and 14.00–14.35 MHz ext No External ADC required (I/Q output) 1/1 Crystal controlled two channels Yes Yes Yes Cyan [33] Pre-built 100 kHz – 18 GHz 1 – 3 GHz (8 fully independent Rx chains and 8 fully independent Tx chains, each capable of up to 1 GHz of RF bandwidth) 16 16 Yes 1–3 GSPS ADCs
A PDF creator and virtual PDF printer for Microsoft Windows PDF-XChange: Proprietary: Yes: PDF Tools allows creation of PDFs from many types of source input (images, scans, etc.). The PDF-XChange print driver allows printing directly to a PDF. A "lite" version of the print driver is free for non-commercial (home and academic) use. PrimoPDF ...
This is a list of free and open-source software packages , computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [ 1 ]
The software code is now open source and is developed by a small team. The program is designed for sending and receiving low-power transmissions to test propagation paths on the MF and HF bands. WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions.
An RF receiver module receives the modulated RF signal, and demodulates it. There are two types of RF receiver modules: superheterodyne receivers and superregenerative receivers. Superregenerative modules are usually low cost and low power designs using a series of amplifiers to extract modulated data from a carrier wave.
RF CMOS is a metal–oxide–semiconductor (MOS) integrated circuit (IC) technology that integrates radio-frequency (RF), analog and digital electronics on a mixed-signal CMOS (complementary MOS) RF circuit chip. [7] [8] It is widely used in modern wireless telecommunications, such as cellular networks, Bluetooth, Wi-Fi, GPS receivers ...