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DF1CHB Germany flag Germany

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QSL image for DF1CHB

German callsign on the basis of French one: F1MHV

Unfortunately, not able to speak German, only French & English, sorry.

Operating some voice SSB and mainly APRS 300bd while /Aero Mobile on HF:

HF APRS/AM: DF1CHB-11, tx ONLY, NO rx, testing /AM Robust Packet APRS:

- http://aprs.fi/#!call=a%2FDF1CHB-11&timerange=43200&tail=43200

-http://www.db0anf.de/app/aprs/stations/digiusage-DF1CHB-11?days=0

Due to TRX limitations (1 khz tunning steps and USB mode only), APRS tracker is set with special tones: 1200 Hz & 1400 Hz eq. 1300 Hz center tone in order to match with main nets on 30m & 20m, using following QRGs:

- 7049.3 center tone (7048.0 USB cockpit dial), RPR 7048.8 center tone

- 10149.3 center tone (10148.0 USB cockpit dial), RPR 10148.8 center tone

- 14101.3 center tone (14100.0 USB cockpit dial)

With good propagation above 20m, i might use as well:

- 18108.3 center tone (18107.0 USB cockpit dial)

- 21100.3 center tone (21099.0 USB cockpit dial)

- 24928.3 center tone (24927.0 USB cockpit dial)

- 28150.3 center tone (28149.0 USB cockpit dial)

During Digimode contest activity, i stay away using only the WARC bands

Any APRS feedbacks and report are welcome.

Sometimes /P VHF/UHF DSTAR:

-http://www.jfindu.net/lh/DF1CHB

I don't have paper QSL card, and i will not have any: QSO confirmation only via qrz.com logbook and electronic QSL only via www.eqsl.cc for the time being, thank you for your understanding.

Address shown on above eQSL card sample is not valid anymore!!

Most of the time, i am operating following QRGs +/- QRM:

28430 / 24965 / 21265/ 18165 / 14325 / 7185 USB / 3791 USB and a French net on 14122, but check as well PH9HB/AM recommended ones, i might be there as well (or in the near) wink

Yes, on 40 & 80m operating USB, no other choice in /AM ( http://hfpack.com/air/ ).

Updated informations (ATC flight numbers and expected "on air" times) via twitter.com -> DF1CHB

Please find bellow some pictures and few informations about onboard HF equippment:

- Old style control panel, found in 737-300 series cockpits, on some aircraft LSB operational, some not. 1 Khz step.

- 90's style HF control panel found in 737-700 cockpit, 1 Khz step, no more LSB.

- New generation HF control panel found in latest B737NG's: frequency is preset on the right side (Standby) and become in use when transfered to the left side (Active), so no chance to "scan" the band! 1 Khz step, USB by default, AM possible, no more LSB.

- HF antenna

- HF automatic antenna tuner location on classic B737 series (-300/-400/-500)

 

1261177 Last modified: 2014-09-14 15:20:58, 3932 bytes

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