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 moreGiorno: 26 Febbraio 2021
President Randy III – UK Price Revealed
Knights 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 moreARRL Interview Explains Background of Ham Radio in Space Film Short
Josh 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 moreAmateur Radio Helping to Fill Earthquake Report “Donut Holes”
An 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 moreMystery Box! ARRL Expo At Home Surprise Pack
The 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 moreAnother Difficult Antenna Situation
Tim, 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 more“Whirlwind Boom” Emergency Communications Exercise Set in Northern Florida
The 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
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