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DL5SFC Germany flag Germany

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QSL: Buerau, LoTW , eQsl , direct (SAE - no additional costs)

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Ham Member Lookups: 1520


UPDATE , UPDATE !  (recent news on the bottom of this page)

I am currently only on 20m USB qrv.
My TRX is homemade and feeds
about 8 -10 watts into a vertikal deltaloop.

Microphone is a modified "hand mic".
I added a dynamic compressor and changed to

Here a few pics of my transceiver: ( You may also have a look on my small statistic , below )

My Delta-Loop antenna:

Schematic ... every dashed box represent one physical module:

Audio amp / IFBoard / PA / VFO ----- that's all .. ( ..and a frequency counter of course (-;))

The "heart" of my TRX -- the IF TX / RX Board:

The 10W PA:

Two Tone test of the PA:

I started this project end of 2012 with a group of builders at our local radio club ( DARC P30).
My colleagues and I meet us twice a month since december 2012. Most of them have now finished almost
everything except the PA . So I hope they will be soon on air.....

cu on 20m

best 73

PS: I will add more bands soon.


Now i count 65 countries in my small statistic. During the  "All Oceania Contest 2014" i added New Zealand , Australia and Thailand ..... I am looking forward now for Africa to minimize my "white  areas" (-:

DL5SFC statistic QRP

Best 73
cu on 20m


Today one of my club members, is near to finish his bluesheep trx.
He is already able to receive.  After we connect the mic plug, he will also be on air soon....

have a look:

BlueSheep DL5SFC


21.11.2014 Breaking News....

Today i received the WAC Award (20m Phone). All contacts made with my BlueSheep TRX above...

cu on 20... Denis DL5SFC

BlueSheep 20m Phone WAC

06.03.2015 And it happend, again. A new (blue)sheep has been born. Congrats to my friend Thomas DO1STD to his 21 Mhz version. First QSO to LZ.

The front have to be "fine tuned" but from technical point of view , everything ok.

CU on the Bands. Denis DL5SFC.

Interested in building  your own bluesheep TRX?  Send a  mail  to  dl5sfc@qslnet.de


19.03.2015 ...and again...
the very next bluesheep TRX sees the light of the world. This variant was made by Hans  DK2ZS. First contact UA3 -- Moscow. Hans thank you and have fun.

cu on the bands.


27.03.2015  New QSL Cards will be ready for shipment , next week.

24.04.2015 Update

Now 440 QSO's into 75 DXCC entities in the log.
Around 300 QSL cards now ready for shipment via buerau and a few (30) direct.


Today 21.05.2015 Siggi DH0GDS finished his bluesheep and first qso take place.
Siggi , congrats cu on the bands.

Small Statistic: We startet with 9 builders. 5 TRX are now ready .

15.09.2015  My very first ZL Qsl arrived today....


03.11.2015  ++ Bluesheep goes digital +++
Finaly my bluesheep dds project has started. Here are the first pic's

In this project i use the cheap AD9850/ASD9851 board from ebay.

25.11.2016 In the paast weeks i updated my bluesheep TRX to be a treebander. Now I can operate on 80/20 and 15m.




7719827 Last modified: 2016-11-25 18:04:10, 5757 bytes

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QRZ Logbook Summary for - DL5SFC
Latest Contacts for DL5SFC at QRZ.com
dedateband mode grid Country op
NP2X 2015-10-17 20M SSB FK77pr US Virgin Islands Caribbean Friends United
PJ4DX 2015-10-17 20M SSB FK52ud Bonaire Steve Telenius-Lowe
SU8JOTA 2015-10-17 20M SSB JJ00aa Egypt JOTA The 59rd Jamboree On
CQ3L 2015-10-17 20M SSB IM12nt Madeira Island Contest Call
SN110RAEM 2015-09-24 20M SSB JO90mh Poland OT-06 PZK STACJA KLUBU SP9PNB
EG1CEL 2015-09-24 20M SSB IN73xi Spain EAFLT-AWARD 2014
W3FRC/WMF 2015-09-24 20M SSB United States FRANKFORD RADIO CLUB
EI1C/P 2015-09-06 20M SSB Ireland Cork Radio Club (Contest
YL3CW 2015-09-06 20M SSB KO26ht Latvia VALERY SINTSOV
SV67FF/P 2015-09-06 20M SSB Greece Hellenic Flora- Fauna ref
OH5B/P 2015-09-06 20M SSB Finland
EI7T/P 2015-09-06 20M SSB Ireland Tipperary Amateur Radio G
SX2IMA/P 2015-09-06 20M SSB Greece CONTEST CALL
ES1QX/5 2015-08-24 20M SSB Estonia Eduard K��r

Book Totals: 1291 qso's   86 confirmed Get a free logbook at QRZ.COM

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