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MRF1K50H – new 1500W LDMOS from NXP

LDMOS technology allowed huge improvements in RF power transistors in the recent years, bringing much better performance and efficiency at…

Razvan

ESDR – new portable SDR HF transceiver

ESDR is a portable SDR transceiver with HF coverage that is supposed to be released in August. The ESDR features…

Razvan

Romania (YO) gets 60m access

Following the conclusions of the World Radiocommunications Conference 2015 regarding the 5MHz band, supported by two local Romanian amateur organisations,…

Razvan

Icom IC-7300 and spectrum / waterfall on the PC

Icom IC-7300 is a great feature radio, but the main complaint about it is there's no I/Q output (or at…

Razvan

Yaesu FT-891 – new HF/50MHz transceiver ?

Yaesu FT-891 is the latest equipment the japanese manufacturer is working on. Although the details are extremely limited, it seems…

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3 years later

I started this blog 3 years ago, a few months after I got my first amateur radio license and about…

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Icom IC-7300 review

Icom IC-7300 is the first direct sampling SDR (software defined radio) available from one of the "big three" japanese manufacturers.…

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Icom IC-7300 schematic

Icom IC-7300's schematic just became available, and you can get it here: Not everything is revealed, the RX-ADC is still…

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Odyssey TRX – open-source SDR DDC/DUC transceiver

To be honest, there are so many important things I feel I need to mention about this project I don't…

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Nice external power pack for SOTA

I just found the ultimate power pack for when going outdoors and working portable. It is called the  Goal Zero…

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