Re: LF: Daytime 477 OP8 test

["Graham" <g8fzk@g8fzk.fsnet.co.uk>]

 

-14 db   at 200 miles , not  expected with  50 watts  !  should  still  decode  with  5   or  less  watts  ..

 

Tnx-G, 

G0NBD	G6AVK	600m	OPERA	321 km	15:19:57
G0NBD	G0NBD	600m	OPERA	0 km	15:10:48
G0NBD	G4WGT	600m	OPERA	33 km	15:08:57
G0NBDTWEN	G0NBDTWEN	600m	OPERA	0 km	15:20:15
G3TXA	G3TXA	600m	OPERA	0 km	15:25:34
G4WGT	G4WGT	600m	OPERA	0 km	15:24:49
G6AVK	G6AVK	600m	OPERA	0 km	15:16:09
K5DHY	K5DHY	600m	OPERA	0 miles	13:56:15

15:30    477 G0NBD de G6AVK Op8 199 mi -14 dB F:0% in Rayleigh, Essex

15:30    477 G0NBD de G4WGT Op8 21 mi +1 dB F:0% in Chorley, IO83qo

15:20    477 G0NBD de G6AVK Op8 199 mi -16 dB F:10%_Ini in Rayleigh, Essex

15:19    477 G0NBD de G4WGT Op8 21 mi +2 dB F:0% in Chorley, IO83qo

 

 

 

 

 

 

 

From: Graham

Sent: Saturday, August 23, 2014 4:04 PM

To: rsgb_lf_group@blacksheep.org

Subject: LF: Daytime 477 OP8 test

Daytime 477 OP8 test

 

Just  re-assembled the  MF tuner , etc  ,  modified  the invL  , wound  the  30  ft  dog  leg  onto  cok-bottle  and  now have  2 loading  coils  , one  at the  top of the  vertical  section  and  one  at the  end  of the  top  section  , with  anit corona  ring  just  after  it  , hoisted to  top mount  , aby  40 ft  above ground .

 

tune  seems  ok , did  sharp  ,

 

Power  50  watts  carrier 

 

Running   OP8   beacon  on 477   dial  frequency  ,   478.500   ish  carrier

 

Rx - ON   , timer   16 mins 

 

Reports / traces  etc  welcome

 

73-Graham

G0NBD