Retro TV: Hitachi P-20

Yesterday I was walking down the road where my car was parked and I noticed an orange TV in the dumpster… Without hesitation I grabbed the TV and did a quick check: tube seemed OK, intact case and no buttons missing. The TV was, however, very dirty and had a bad smell. Took it home … Read more

Sefram 7835 – Test report

How useful can a 20-year-old TV/CATV/SAT field meter be nowadays? I tested my latest eBay purchase for my field meter collection…   The Sefram 7835 showing the boot screen with licensed options – this model has everything activated, except the GPS options, which was reserved for the Sefram 2028 model. I recently came across two … Read more

LDTZ: The nightmare goes on…

 Hello, Chinese manufacturers are always trying to lower their costs and with the LTDZ it is not different. In the past they changed the MCU STM32F103 to a version with only half the flash memory. As a consequence they adjusted the firmware of the L TDZ to fit the smaller flash memory. Unfortunatly, in the process … Read more

Testing the Arinst SSA-R2 TG

Arinst SSA-R2 TG One of the most frequent questions I receive from people that purchased a “SMA 35-4400 Simple Spectrum Analyzer”, a “NWT4000”, a “NWT6000”, a “D6” or a “LTDZ” device (which I abbreviate as SMA/NWT/D6/LTDZ) is: What is the next best low-cost spectrum analyser on the market? This question relates to the fact that … Read more