Propagation Update [ARRL] - Friday February 7 2025 Spaceweather.com reports thatsunspot3981 has produced more than 20M-classsolar flares, including two that almost reached category X.The activity is likely to continue today. Thesunspotretains adelta-class magnetic field that harbors energy for frequ...
1. Coverage Mapping & Analysis: RadioPlanner allows us to model and predict our repeater system's coverage with precision. Using propagation models such as ITU-R P.1546-6 and Longley-Rice (ITM), we can visualize signal strength, field strength, and areas of potential interference. This ensure...
Software for Mobile Ad Hoc Networking (MANET), although maturing slowly, is a key enabling technology. The medium access control (MAC) layer is critical in CR networks. If the CR is employing advanced spectrum access techniques, a robust MAC that mitigates the hidden node problem is needed. ...
In this paper cognitive radio is described, discussed and compared with software defined radio (SDR). The two types of cognitive radio are presented and ex... Y Tawk,J Costantine,CG Christodoulou - 《IEEE Transactions on Antennas & Propagation》 ...
JoydevGhosh, inPervasive and Mobile Computing, 2019 2.1Non-cooperative architecture As depicted inFig. 3a, two different radio interfaces operate over the licensed radio resources provided by CR technology in a non-cooperative architecture[45]. The non-cooperative CR based architecture operates in a ...
The testing time of different networks is not much different, indicating that when the trained model is used for actual data processing, the forward propagation operation of the model does not delay the processing time. At the same time, it should be noted that due to the sliding-window ...
Within the scope of the connected aircraft cabin, this article presents a multipath-assisted radio sensing (MARS) approach using the propagation information of transmitted signals, which are provided by the channel impulse response (CIR) of the wireless communication channel. By performing a ...
PROPAGATION 3. SOFTWARE 13. LOGGING 23. CALLING FREQS 4. TECH REFERENCE 14. HAM STORES 24. HF NETS 5. MANUALS MODS 15. OPERATING MODES 25. HAM HISTORY 6. FREQ/BAND PLANS 16. REPEATER GUIDES ECHOLINK 26. DEALERS, MFG, PARTS 7. SWL/SCANNER/BC 17. PREFIXES 27. LICENSING &...
ERGO Radio Software Creative Express Corporation software to enhance shortwave radio listening. Support for Drake R8A/B, NRD535/D, WJ HF-1000 and TEN-TEC RX-320 receivers, as well as propagation, path evaluation and database management. ...
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