Tag: signal

Seconda parte della serie “Entriamo nei dettagli del DSP o “Digital Signal Processing”” all’interno della Rubrica Firmware Reload di Elettronica Open Source. I FILTRI DIGITALI…

In questo articolo della Rubrica Firmware Reload diamo dei rapidi cenni sui filtri e sulle tecniche per il trattamento dei segnali. Queste nozioni di base…

What do I carry with me when I hit the road for a Parks on the Air or some other kind of portable radio activity….

Sul blog di Elettronica Open Source puoi leggere non solo tutti gli articoli Premium riservati agli abbonati Platinum 2.0 e inseriti nella rivista Firmware 2.0…

There are a number of ways to add dB gain to your transmitted signal. But how much difference does 3dB or 6dB make? Is it…

Tektronix, Inc, leader nel mercato delle soluzioni innovative per test, misurazione e monitoraggio, ha annunciato l’introduzione degli oscilloscopi a segnali misti della Serie 2, strumenti…

“You decide. Not scientific, but just a video showing the similarities in these 2 rigs on weaker signals on 15M CW as the band was…

Reviewing the Super Elastic Signal Stick Antenna by SignalStuff Features: Frequency range: Dual band version – 1/4 wave on 2 meter (144-148Mhz) and 3/4 wave…

One of the key performance attributes of any radio receiver old or new, professional or domestic is its sensitivity. It needs to be able to…

VHF Repeater “Collin, K0NNK, is having some trouble with is antenna and a nearby repeater. He hit a 2 meter repeater full quieting but the…

Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the…

“My good friend Joel, KC4WZB, loaned me his brand new Yaesu FTdx10. When I say loaned, I mean he picked it up at Ham Radio…

“In this video I compare three antennas to see which one, if any, out performs the others. I will be comparing the Signal Stick from…

As reported on Spaceweather.com, Canadian radio amateur Scott Tilley, VE7TIL, has snagged another signal from deep space. His latest conquest has been to copy the signal…

The new ISS FM repeater is AWESOME! 30-degree pass and I had S9 signal on the downlink for 90 seconds here in Minnesota The new…

<   Who is Signal Stuff? In a world where Amateur Radio ought to be on the cutting edge of technology, far too often hams…

Equipment HF Mini Whip Active Antenna 10Khz – 30 MHz May 25, 2020 No comments Read more Rotator Genius – 4O3A May 24, 2020 No…

L’elaborazione numerica dei segnali, di qualunque natura essi siano, rappresenta senza ombra di dubbio una delle tecnologie che hanno riscosso il maggiore successo ed attenzione…

Specifications: Band:  432 MHz. Active elements:  6. Gain:  12.6 dBi. F / B:  23.00 dB. ·  Polarization:  Horizontal or Vertical · SWR:  1.1: 1 ~ 1.5: 1. Impedance:  50 Ohm. · Power rating:  5000…

In BIG SIGNAL we  present the multi-band cubic antenna with 2 elements and 5 bands. The true queen of DX! E ste is a model that breaks all the…

Considerare una segnale digitale coma un’onda quadra ideale è solo un’approssimazione che non sempre è applicabile. Ecco cosa succede in realtà. Tutti ci rendiamo conto che considerare un…

“A recent article in The New York Times reported that many garage door openers and keyless vehicle entry fobs in an Ohio town near Cleveland mysteriously stopped working. While…

VHF Slide Lock for Ham Radios April 24, 2015 No comments The ET-850 Locking Slide Mount provides convenience, ease of use and security in a black, powder-coat…

Discover the BIG SIGNAL DX-Quad antenna , this new design of a single element Multi-Band Quad covers up to 5 bands in HF from 10 to 20 meters. An…

Markus Vester DF6NM successfully used the digital mode OPERA to send a 2.5 milliwatt signal on 2.4 GHz through the amateur radio transponder on the Es’hail-2…