Hi Luis,
Am 08.11.2018 10:18, schrieb VIGILANT Luis Fernández:
I have nothing arranged to be able to work
JT9 in LF at the moment
Probably the upconverter for MF be usable. Have to test it
But how do you generate WSPR? Aaah is it from a U3S or so?
Yes, an upconverter is the best choice. Build a separate one for LF :-)
What I plan for this Christmas is a CW beacon
in LF. Just to rise interest in the band.
Yes this is a good odea and worked well in the past.
Not many commercial equipment go down to LF with some
performance
Commercial equipment should be totally out of interest anyway, at least
below 1 MHz.
It is exactly the beauty of this end of the spectrum, that you can
build everything on your own, without special and expensive parts.
QSOs will be nice. QRSS may be also an option. There are
still many FIRST to do in LF , not only in VLF and beyond ;-)
Yes yes, i know ;-). With your recent -9 dB WSPR decode we could even
try CW!
But first i need to build a proper coil i think. I have one available
but it will handle not more than 4 A or so.
So far, I just did a first 9A<>EA in LF
with Boki, 9A3KB, last year using QRSS last year
Be careful with such claims on LF :-) But maybe you are right. I have
no overview. The early LF operators may know more.
There has been done a LOT on that band in the past. CW was a regular
mode and there have been quite a lot stations on the air. The first
time i transmitted on LF was in 2003, but my signal was very poor with
the antenna i used at that time. Anyway it was possible to work many
stations in QRSS and CW. Exciting.
73, GL, Stefan
73
de Luis
EA5DOM
LF,
Fortunately there are several new stations on the air on 137 kHz
(relative to 5 years ago) which are strong enough to work from here in
JT-9.
Last night:
|
Timestamp
|
Call
|
MHz
|
SNR
|
Drift
|
Grid
|
Pwr
|
Reporter
|
RGrid
|
km
|
az
|
|
2018-11-08
00:40
|
EA5DOM
|
0.137516
|
-9
|
0
|
IM98xn
|
1
|
DK7FC
|
JN49ik
|
1395
|
27
|
|
2018-11-07
18:38
|
M0DSZ
|
0.137534
|
-24
|
0
|
IO82ls
|
0.01
|
DK7FC
|
JN49ik
|
899
|
110
|
|
2018-11-07
19:00
|
G8HUH
|
0.137430
|
-23
|
0
|
IO81mg
|
0.05
|
DK7FC
|
JN49ik
|
851
|
99
|
|
2018-11-07
09:56
|
F1BPT
|
0.137500
|
-21
|
0
|
JO10
|
1
|
DK7FC
|
JN49ik
|
427
|
104
|
|
2018-11-07
17:42
|
DK6NI
|
0.137475
|
-12
|
0
|
JN59ln
|
0.001
|
DK7FC
|
JN49ik
|
163
|
266
|
This is worth to do a QSO party on LF already, but i think there are
even more stations such as DF6NM ready to TX.
Should we try to attempt some JT-9 QSOs on Saturday evening?
I'm not yet QRV again but could prepare things on Saturday...
73, Stefan
|
|
