V85NPV : 8 months activity summarize

It is time to summarize my activity since using V85NPV Call sign with the following QSO map : -About 4069 QSO (Contact with other amateur radio worldwide) using V85NPV and about 2500+ QSO using the V85/F5NPV call sign (roughly about 6500+ QSO overall) -90% using CW (Morse code), 9% using digital modes and only 1%

Beach On The Air Configuration

Final configuration for outdoor activity. The USDX was built few years back and i run my custom firmware to enhance the SSB mode. All week i retune the class E trap LPF filters since it was not really optimized during the initial build. The transceiver is now delivering from 4w up to 7w output power.

Usurpation or/and fraudulent use of my FR callsign: F5NPV

Warning a station is sometimes using my French callsign F5NPV : This is a pirate This morning I was surprised to see my callsign F5NPV on 14Mhz in FT8. It looks like the signal is from Europe .Since I do not yet have the ability to teleport myself to France since i am staying now in

V85NPV – BOTA and POTA activity

Since the house shack is now OK, need to focus for outdoor activity with family, kids and friends. Planning for Camping and activate Beach and Park on the Air very soon. I will be active mostly CW and maybe SSB but to not sure since i cannot find a working microphone (Hahahahaha). Band to be

DX Commander enhanced ground screen with Galvanised Chicken Mesh

My main target is to optimize mostly the lower bands since it is not so easy to install a 40 or 30m beam antenna at the suitable height to be efficient . A dipole or beam antenna for 40m band will need to be installed at half wavelenght (20 meters) high in order to optimize

DX Commander antenna installation

After few tests with beams antennas on the Top of a 10m telescopic mast , unfortunately my location is not really friendly since i am down in hollow surrounded by high hills. I have tried my W8JK , a Jungle Job and the benefit is almost null compare to my Long Wire Antenna 30m long.

ENFED EFHW and Long Wire Choke Balun

Common mode chokes are added as series elements to a transmission line to killcommon mode current. The line may be a short one carrying audio or control signals between a computer and a radio, video between a computer and a monitor, noisy power wiring, or feedlines for antennas. This application note focuses on the use

V85NPV Week-end QSO

During this session i was on 20m (14.008Mhz) using 100% homebrew TRX , Amplifier, ATU and antenna . Within less than 15 minutes manage to contact France , Germany , China , Japan, Brasil and USA This configuration cost about 300Euros and you are able contact amateur radio stations worldwide without any issue and with

V85NPV activity with Long Wire antenna

V85NPV for last 3 months activity using a Random Long Wire (30m Long). 848 QSO using CW mostly . 95% are CW , FT8 was mostly to check my new antenna performances. I swap my ENDFED antenna with a random long wire antenna , 30m long using a 1:9 Homemade transformer and N7DDC Antenna Tuner

Heathkit SB200 Linear Amplifier restore

Heathkit SB200 HF linear amplifier restore and repair. This amplifier was bought as a kit 37 years ago. The High voltage power supply was faulty about 4 years ago and since today weather not so good in Brunei , allocate some time to repair, clean and restore this old guy. The High Voltage PCB was