DL1YCF

Op: Christoph van Wüllen (born 1963, qrv since 1982)

QRL: Professor for Theoretical Chemistry (numerical simulations and program development)

email: dl1ycf [at] darc.de

QTH: Kaiserslautern (SW of Germany, Loc. JN39VK),  DOK (DARC branch): K16


Awards:
DXCC (CW, Digi), WAS (CW), WAE-TOP (CW), WAZ (CW), 5B-WAC (Mixed),
DIG-WDXS 2000 (Worked 2000 distinct DX calls),
DLD-900 (80m), DLD-800 (40m), DLD-200 (160m, 60m)
DLD-100 (30m, 20m, 10m)

Further details on www.qrz.com/db/dl1ycf

Due to strict privacy protection rules, you cannot post a comment here
But you are invited to send me comments to my e-mail address given above.

Interesting reports from my shack:


Resolving a "sideband issue" with the BLA 350 power amplifier

If a SpecAnalyzer shows satellites 6-7 kHz above/below your CW signal, read this.

Connect a CW key to a computer via a home-made MIDI controller

Using an Arduino or Teensy board, connect the CW paddle to your computer for use with software defined radios.

Testing piHPSDR with a HermesLITE-2 (old protocol)

RX calibration, PURESIGNAL using cross-talk from TRX relay for feedback.

Testing piHPSDR on MacOS with HAMlab/STEMlab

DIVERSITY reception and PURESIGNAL with and without external tube PA is demonstrated.

Testing piHPSDR on MacOS with ANAN-7000 (new protocol)

DIVERSITY reception and PURESIGNAL with and without external tube PA is demonstrated.

Digi modes with piHPSDR and MacOS

Using VIRTUAL AUDIO CABLES for routing audio between fldigi/wsjtx and piHPSDR

Adding a -60dB output to a MFJ 267 DummyLoad/Wattmeter

You only need some small resistors and a BNC jacket.

Reviving/Modifiying a Yaesu FL-2100 RF tube power amplifier

Directly grounding the grids solves many problems.

Digimodes with Apple Macintosh Laptop and TS590sg

That's easy. A single USB cable connection is sufficient

Digimodes with Apple Macintosh Laptop and TS570d

It is demonstrated how to use the microHam DigiKeyer-II interface

The easiest way to let the Kenwood TS590SG transmit on 60m

That's easy. Just cut a single wire bridge