2200m radio beacon “XFX”

Part-5 License: 

WD2XFX

Location (NAD83):

NE OK (Glenpool)

   35° 57' 36" N

   95° 59' 22" W

Grid:

EM25ax

Transmitter:

K0LR MOSFET final

Source:

ZL1BPU DDS Exciter

Antenna:

30’ H x 20’ L flattop

Elevation:

740’

 

 

Operated by KD5UWL

QSL:  Send reception reports to

                      eric@nutstreet.net

 

Current Status:

  OFF

  180 watts input

  ?? amps antenna current

  137780.7 Hz

  DFCW60 with 0.17 Hz shift

  

 

 

 

Station Log – all times UTC in reverse order (most recent events at the top of the log)

 

18-Jun-2004

2319

Two new microcontrollers arrived and now the beacon is back on the air.

12-Jun-2004

2204

Beacon QRT due to microcontroller failure. Ordering a new micro ASAP...

0730

Posted new web page to detail the work I've begun on a new more powerful amplifier for this beacon, the G4JNT 700-W switch-mode design.

20-May-2004

2100

Daytime reception by Lewis WA4LIP - 584 miles.

16-May-2004

0600 - 1000

Mitch VE3OT reports great signal into London, Ontario.

15-May-2004

0400 - 0900

Good reception by Lloyd Chastant W3NF in Marriottsville, MD - about 1071 miles.

14-May-2004

Observed by Roger K0MVJ in Duluth, MN all day and all night - about 773 miles.

12-May-2004

0700

Captured by Mitch Powell VE3OT in London, Ontario - about 924 miles.

10-May-2004

0025

Observed by Laurence KL1X in Bartlesville, OK - about 49 miles. Here is a representative shot from his real-time capture webpage.

 9-May-2004

1325

First DX capture for the new flattop came from Lewis WA4LIP in Mobile, AL - 584 miles. Here's another.

1600

Report from John Reed (Shawnee, OK -- 68 miles) of good signal, +35 dB over noise. Frequency measured at 137780.7 Hz. Hear .wav of QRSS30 dot.

0500

Increased power - 105 watts, 1.9 A antenna current.

 8-May-2004

0150

On the air QRP - making adjustments.

 3-May-2004

0000

New flattop (as seen above) nears production readiness - replaces original top-loaded vertical.

27-Nov-2003

1730

QRT - antenna damage due to corona.

25-Nov-2003

0450

Mode changed back to QRSS30 + 12wpm full ID.

24-Nov-2003

1400

Daytime copy of XFX and MP together by Lewis WA4LIP in Mobile, AL.

17-Nov-2003

0230

First complete MT-Hell ID clean copy by Roger K0MVJ in Duluth.

0330

Mode change from QRSS30 to Hellschreiber. Later found that I failed to commit the changes to the exciter mode was not right. Thanks to Lewis WA4LIP for noting that.

16-Nov-2003

0300

Capture by Dale W4OP in Glenville, NC 727 miles.

13-Nov-2003

0300

Daytime reception by Lyle K0LR in MN using software receiver. Lyle reported that by 0520 signal strength was within a few dB of the Loran lines.

 

1600

Another capture by Lyle K0LR shows good daytime copy in MN.

 

1130

Arguable reception of XFX by Mitch VE3OT this morning in London, Ontario 924 miles.

 

1000

Received by Dexter W4DEX in Stanfield, NC 877 miles.

0600

Improved ground and increased drive. Now running 90 watts and 1.5 amps antenna current.

12-Nov-2003

0430

Received by Lyle K0LR near Aitkin, MN 739 miles.

 

2200

Received by Roger K0MVJ in Duluth, MN 773 miles.

 

1730

Lewis WA4LIP reports strong noontime and early afternoon copy in Mobile.

 

1345

Received by Lewis WA4LIP in Mobile, AL 584 miles.

11-Nov-2003

0830

QRO with LF amp donated by Lyle K0LR 70 watts, 1.2 amps antenna current.

29-Oct-2003

1900

Received by John Reed in Shawnee, OK 68 miles.  Hear crunched .wav file.

25-Oct-2003

0000

On-air QRP with 100mA antenna current.

21-Oct-2003

 

Part-5 license WD2XFX granted by FCC.