Author: iz4wnp

Baofeng DM-1703 FCC Certification

Baofeng DM-1703 FCC Certification TEST REPORT Test item description: DMR Digital Radio Trade Mark: BAOFENG Model/Type reference: DM-1703            – FCC 47 CFR Part2.1093 IEEE Std…

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Packages per i circuiti integrati

Sono di varie forme e dimensioni ma tutti hanno il medesimo scopo: proteggere il chip al suo interno, consentirne sia la dissipazione di calore verso l’esterno che la connessione al circuito elettronico di cui farà parte….

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IC-7610 – Interview with ICOM

IC-7610 Fiori Films Presents Ham Radio TV: ICOM @ Pacificon 2018. In this video Kevin N6VLF, interviews Will / AA4WJ Faint signals are no longer…

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Indonesia Earthquakes and Tsunami – Emergency Frequency

The Indonesian National Society ORARI immediately established an Emergency Net on 7.110 MHz and also activated the Lapan-Orari IO-86 satellite as a back up.  …

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Retevis RT52 DMR Dual Band Handheld Radio – Ham Radio Q&A

“The Retevis RT52 may look quite familiar on the outside, it has the same dimensions and look as the Retevis’ RT3S dual band HT. In…

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Baofeng DM-1702 FCC Certification

Baofeng DM-1702 FCC Certification Test item description…………………. :     DMR Digital Radio Trade Mark……………………………… :   BAOFENG Model/Type reference………………… :      DM-1702 Listed Model(s)………………………… :      DM-1702A, DM-1702B FCC…

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G90 SDR Transceiver

G90 SDR Transceiver SDR portable HF Transceiver Characteristics SDR portable HF Transceiver built-in auto antenna tuner Spectrum image and Waterfall image display The display unit…

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Verifica e integrità nella trasmissione dati

La trasmissione di dati, indipendentemente dal canale scelto, è sempre soggetta a problemi che possono provocare errori di ricezione. È quindi necessario predisporre una serie di strumenti che consentano di minimizzare il grado di errore o assicurare l’integrità dell’informazione. Tra…

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Stack checking in GCC

Lo stack è un’area di memoria di fondamentale importanza, in modo particolare per le applicazioni embedded. Gli ambienti di cross compilazione forniscono strumenti in grado di definire la sua dimensione e di verificarne…

27 MHz CB radio in Australia

Video:YouTube/vk3ye An interesting video from Peter VK3YE giving an Australian perspective of the current band conditions on 27Mhz CB Radio.

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Denton man relays voice of Santa Claus to listeners on Ham Radio

VHF AnyTone AT-D868UV dual-band VHF and UHF DMR portable October 07, 2016 No comments   AnyTone AT-D868UV Today, Qixiang Electron Science & Technology Co., Ltd,…

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Dick Tracy 2 Way Wrist Radio Toy Commercial

Dick Tracy Watch VHF Retevis RT83(GPS) 10W IP67 DMR Digital UHF Radio June 20, 2018 No comments Retevis RT83 with digital and analogue mode two…

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A Bit of a Mixed Bag: Solar Storm Shortie 12-20-2018

“This week we deal with more unsettled conditions as the Sun gives us a mixed bag of fast and slow solar wind streams. This means…

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Review and test of Buddipole Deluxe Antenna

Buddipole Deluxe Antenna Review This is the testing and review of the Buddipole Deluxe antenna available at Buddipole.com. The Buddipole Deluxe Package includes everything you…

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US Radio Amateurs Help to Make YOTA Month Happen in Ethiopia

Two US radio amateurs helped to make Youngsters on the Air Month (YOTA Month) a success in Ethiopia. YOTA month takes place each December, and…

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Stadi di potenza per il controllo motore

Questo articolo presenta le varie tipologie di driver di potenza per il controllo motore, soffermandosi sulle differenze e sulle tecniche di ottimizzazione. In questo articolo prenderemo in considerazione le diverse tecniche…

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CPU Design: Aggiungi una cache a tavola

C’era una volta questo tizio, Gordon Moore, che anni che furono predisse che la capacità di calcolo di un processore sarebbe raddoppiata ogni diciotto mesi…

CB Radio Skip 19/12/2018

A short but very welcome return to the propagation on 19th December 2018…. Some really strong signals and great to hear several special event stations…

BaoFeng BF-UVS9 – New Model

Video:YouTube/QRZnow Ham Radio The latest in a long line of cheap Baofeng radios….. Brand Name: BAOFENG Model Number: Baofeng BF-UVS9 walkie talkie Walkie Talkie Type:…

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Ground Plane Antennas [ “ARRL The Doctor is In” podcast ]

Ground Plane Antennas “Ground Plane Antennas” is the topic of the new (December 20) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!Sponsored…

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Uniden SDS200

Uniden SDS200 FCC PART 15B / RSS-135SCANNING RECEIVERCOMBO TEST REPORT Applicant UNIDEN AMERICA CORPORATION Address 3001 GATEWAY DRIVE SUITE 130 IRVING, TEXAS 75063 USA IC…

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Germany on 70 MHz in 2019

German radio amateurs may operate from their home with all modes in the frequency segment 70.150 to 70.200 MHz from now (19 december) until the…

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Marconi Club QSO Party Day 2019

La Sezione ARI di Loano, al fine di promuovere il MARCONI CLUB ARI Loano, fondato l’8 maggio 1988  dal compianto Libero Meriggi I1YXN, spinto e…

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FCC Releases Plan in the Event of a Partial Government Shutdown

FCC Plan for Orderly Shutdown  The FCC has released its Plan for Orderly Shutdown in case funds become unavailable to continue operation.“If a potential lapse in appropriations…

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JTDX-2.0.1-rc115

JTDX-2.0.1-rc115    JTDX 2.0.1-rc115 FT8v2  for evaluation and on air tests 19th December, this rc has only basic FT8v2 decoding function currently and no contest function…