Enabling battery status indicator on NanoVNA

5 years ago

Battery status indicator on the NanoVNA Most available NanoVNA on the market has a working firmware that works from 50Khz…

4 Elements Yagi UHF 70cm antenna at 409Mhz

5 years ago

70cm 4 Elements Yagi @ 409Mhz usable frequency 406-412Mhz Antenna specifications Antenna Bandwidth: 406-412Mhz Antenna gain @ center frequency: 7.16dBi…

Build a 157.000 Mhz 4 Elements Yagi for VHF

5 years ago

4 Elements Yagi for 157.000 Mhz This antenna is 4 elements yagi built for the frequency 157.000 Mhz, in the…

How to change NanoVNA Firmware

5 years ago

The NanoVNA Warning: This update procedure doesn't work anymore with the latest versions of NanoVNA - this is applicable only…

NanoVNA vs. N1201SA low cost antenna analyzer compared

5 years ago

N1201SA Specifications Manufacturer: Accuracy Agility Instrument Model: N1201SA Working frequency: 137.5 MHz - 2700 MHz Frequency stepping: 1 kHz Display:…

3×5 Cross Yagi tear down for easy storage

5 years ago

This 3x5 Cross Yagi can be totally tear down for easy storage. After the procedure we are left with just…

2×3 2m/70cm Cross element yagi build instruction – compact that works

5 years ago

Compact satellite communication antenna If you're a fan of satellite monitoring (hunting for birds) as they call it, you probably…

Dualband 3×5 Cross Yagi 145Mhz – 435Mhz mounting and measurements

5 years ago

Dualband 3x5 cross yagi 145Mhz - 435Mhz Materials preparation The bill of materials are similar to the inline version of…

Tuning 3 Elements two stacked Yagi – effects of feed line to a tuned antenna

5 years ago

Stacking two antennas - and effects of feed line to a properly tuned antenna Stacking antenna is done to achieve…

Pencil Torch conversion to continuous flow butane soldering system

5 years ago

Pencil Torch is a good tool for soldering materials requiring extra heat. However care must be taken to successfully use…