Archive for June 19th, 2010

¡¡400 miles with 150mW on LF Band!!

19 June, 2010

¡¡Amazing!!

Jose
 
150 mW erp on 137 KHz , 400 miles into France MF-1 .. not bad eh ?
 
G..
 
————————————————–
From: “Michel F5WK” <f5wk@mterrier.net>
Sent: Saturday, June 19, 2010 8:36 PM
To: <rsgb_lf_group@blacksheep.org>
Subject: Re: LF: 137.500 kHz ROS beacon
 
>
> Hi Gary,
>
> Not even a faint trace on a QRSS3 spectrum but:
>
>> RX1: 19:23 @ 5.9 Hz: 9 <STOP> -37 dB
>> RX1: 19:28 @ 5.4 Hz: O4WGT <STOP> -34 dB
>> RX1: 19:33 @ 5.4 Hz: G4WGT <STOP> -31 dB
>
> 73,
>
> Michel – F5WK JN18HP

Advertisements

Firs ROS QSO on LF Band

19 June, 2010

First ROS QSO on 136.5 Khz by Graham G0NDB and Gary G4WG.

¡¡Congratulations!!

TX1: 20:02 G4GWT  DE G0NBD  QSX 137 <STOP>
TX7: 20:06 G4GWT  DE G0NBD  QSX 137  <STOP>
TX7: 20:07 G4GWT  DE G0NBD  QSX 137  <STOP>
RX7: 20:08 @ 3.3 Hz   <STOP>
TX7: 20:09 no copy 137 pls  send  mf-1  mf-1  bkbk <STOP>
RX1: 20:10 @ 4.6 Hz: G0NBD
Y BETTER K <STOP> -28 dB
TX7: 20:12 G4WGT, de G0NBD S/N: -28 dB, Marge: +7 dB ..100% at  mf-1 sig just on the  edge this is what  printed
 
: túlD  Gk¬n  G0  ouo+zte eo
 
just need  a few  more  db’s   and will  be ok  …  my  rx is via  500  tuner .. sig ok .. 138 sig ok .. pc monitor  off  -no carrier- ..pls agn  ..btu  de g0nbd  <STOP>
RX1: 20:15 @ 5.0 Hz: G0NBD G4WGT PWR 150 NOW K <STOP> -25 dB
TX7: 20:17 G4WGT, de G0NBD S/N: -25 dB, Marge: +11 dB ok G ..looks better on spec lab ..pls agn  mf-7 bk <STOP>
RX7: 20:19 @ 3.3 Hz: G0NBD de G4WGT OK Graham just got my upper lower case wrong way, I can go more if you want, I n  n try 200 w K <STOP> -24 dB
TX7:  20:20 G4WGT, de G0NBD S/N: -24 dB, Marge: +3 dB ..200 watts  egor hihi .. no  thats 100 % print  Gary ..so  we are  running out  of  first’s  to  do 🙂  thats fine now ..  no  qrm  this end , clean signal  on the  spe lab plot ..looks like the  x2 cct works !!  im runing 50  50 watts   just  decode  via delft at mf-1  ok
 
congratulations on the  first   137  ros  tx and  qso  ..now is the  time to  as for  reports on the  rsgb ref  ..that will   get  JR hopping  🙂
 
btu de g0nbd  <STOP>

ROS on LF Band

19 June, 2010

Now you can experiment with ROS MF (100 Hz)  in LF Band on 136.5 Khz USB.