Come progettare un filtro di Butterworth per applicazioni generiche che richiedono un elevato livello di
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CQ 15 – ITU 28 – Loc. JN54RK
Come progettare un filtro di Butterworth per applicazioni generiche che richiedono un elevato livello di selettività e un ottimo livello di integrazione circuitale. Un filtro
Read moreKnights here in the UK have become the first to offer the new President Randy III at a price of £189.00 The radio is expected
Read moreJosh Tanner, the Australian filmmaker who produced the thriller Decommissioned by Perception Pictures, has explained how he came up with the idea to develop the movie
Read moreAn article describing how radio amateurs can help fill the information “donut hole” by providing post-earthquake “did you feel it” (DYFI) reports via Winlink HF radio email appeared on
Read moreThe ARRL offered surprise boxes as part of their ‘Expo at Home’ for the 2021 Orlando Hamcation. I ordered a mystery apparel pack and a
Read moreTim, W4FTP, asks how he can use some tall but skinny trees along the back of his property as part of his antenna system. We
Read moreThe amateur radio communications team of the Florida Baptist Disaster Relief has created a multi-site radio communications exercise dubbed “Whirlwind Boom,” designed to bring together
Read moreIn quest’ultima variazione dello “stairwell lamp circuit” cambieremo la tensione di rete. Ma attenzione: questo può essere letale! Se non hai ancora alcuna esperienza con
Read moreIl problema di controllo e monitoraggio è uno dei più importanti negli ambienti industriali, da questo derivano le azioni che governano i cicli produttivi nonché
Read moreAntenna The New Carolina Windom By Len Carlson, K4IWL January 05, 2016 No comments “ As with all ham stations QRO or QRP, ten percent
Read moreAntenna 4 x 5el Yagi 20m Stack March 04, 2020 No comments Read more A High Efficiency Extended Length Mobile Antenna May 08, 2016 No
Read moreNel corso degli anni, molte tendenze tecnologiche si sono succedute. Tuttavia, alcune sono riuscite a resistere nonostante previsioni sulla loro imminente fine. Una di queste
Read moreNegli episodi precedenti abbiamo visto che cos’è Raspberry Pi Pico e come si utilizza. Abbiamo visto come poterla gestire in modi differenti, e in questo
Read moreJ68HZ Team will be active from Saint Lucia Island, IOTA NA – 108, in ARRL DX SSB Contest, 6 – 7 March 2021., J68HZ Saint
Read moreTom, LA6VDA will be active again from Svalbard Islands, IOTA EU – 026, 26 April – 9 May 2021, as JW6VDA., JW6VDA Svalbard. From DXNews.com,
Read moreMarcus, DL8MRE announces that release of SmartSDR for iOS v3.9.12 is now available for download or update from the Apple App Store. SmartSDR is a
Read moreA direct hit! The #solarstorm our #Sun launched is confirmed to be Earth-directed! NASA prediction models show impact early February 23. Because Earth’s shield is
Read moreRadioddity Raddy RW3 Go-Kit-Type Radio AM/FM/WX, Phone Charger and More [Small Size But All-Purpose] Unlike other FM/AM/NOAA radios, the RW3 is a Bluetooth speaker with
Read moreGli oscillatori sono impiegati per produrre segnali a frequenze audio o radio, per una grande varietà di applicazioni. Ad esempio, semplici oscillatori a frequenze audio
Read more“I typically paper log my Parks on the Air contacts during an activation. After I get home I will transcribe and edit the log with
Read morePANADAPTER For Any Radio DC – 160 MHz SDR Antenna Switch Antenna New! Vertical Loop Yagi ( 6 to 40m ) – Ultra Beam March
Read moreDARC reports 35 Electrical Noise Area Monitoring Systems (ENAMS) have been delivered and another 20 locations are sought as part of the effort to monitor
Read moreNegli articoli precedenti, abbiamo fatto un’introduzione approfondita a Raspberry Pi Pico. Abbiamo parlato di questa nuova scheda a microcontrollore offerta dal Lampone Britannico e abbiamo
Read moreP29MM Team will be active from Papua New Guinea, in honor of 175th anniversary of the birth Nicholas Miklouho-Maclay., P29MM Papua New Guinea Nicholas Miklouho
Read moreJoel Banner Baird Burlington Free Press SHELBURNE – One-on-one talks with fellow amateur radio operators as far away as Moscow are now firmly on the horizon
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