| |
CX2SA > SATDIG 18.06.05 20:50l 165 Lines 5687 Bytes #999 (0) @ WW
BID : 63393-CX2SA
Read: GUEST
Subj: AMSAT-BB-digest V2004 #748 1/8
Path: DB0FHN<DB0CL<DB0PDF<DB0SM<PI8DAZ<DB0EEO<DB0RES<TG9IKE<KP4IG<EA3RKU<
CX2SA
Sent: 050618/1941Z @:CX2SA.LAV.URY.SA #:63393 [Minas] FBB7.00e $:63393-CX2SA
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
AMSAT-BB-digest Saturday, June 18 2005 Volume 2004 : Number 748
In this issue:
1: [amsat-bb] Planetary society monitor request
2: [amsat-bb] Re: Eggbeaters
3: [amsat-bb] Re: Successful contact via AO-51 between JA6PL + HS1JAN
4: Re: [amsat-bb] ISS for Field Day
5: RE: [amsat-bb] RE: Hamsat now VO-52
6: [amsat-bb] California Amplifier 130415 mods ?
7: Re: [amsat-bb] California Amplifier 130415 mods ?
8: Re: [amsat-bb] RE: Hamsat now VO-52
9: RE: [amsat-bb] RE: Hamsat now VO-52
10: [amsat-bb] SASI
11: Re: [amsat-bb] ISS for Field Day
12: [amsat-bb] Fwd: [esa_general] Students wait to launch their dream baby
13: Re: [amsat-bb] ISS for Field Day
14: Re: [amsat-bb] ISS for Field Day
----------------------------------------------------------------------
Message: 1
Date: Sat, 18 Jun 2005 04:42:58 -0400
From: Andythomas <70374.440@compuserve.com>
Subject: [amsat-bb] Planetary society monitor request
hi
Please could someone email me at <<CALLSIGN AT AMSAT DOT ORG >> the email
address for reception reports for this satellite?
I will look out for the bird on its 400 MHz frequency when it is in contact
with Moscow. With SPECTRAN I can monitor the rate of change of the doppler
shift of the carrier.
73 de andy G0SFJ
- ----
Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
------------------------------
Message: 2
Date: Sat, 18 Jun 2005 06:19:09 -0400
From: k5oe@aol.com
Subject: [amsat-bb] Re: Eggbeaters
John,
Congrats on getting the EB II built. The EB II is designed to improve the
reception at lower angles and give you a more consistant signal across the
elevation plane. However, it does this at some sacrifice of signal from
overhead. If you used a 3/4 wl antenna, like a 19" whip, you would get much
more "gain" at higher elevations (above 30 degrees) but you would lose the
circularity feature of this design and definitley will be deaf at lower
angles. All that said, these omnidirectional antennas are low-gain and make
reception without a preamp difficult--but certainly not impossible. I found
with 15 feet of 9913 and directly connected to the rig (when I was in Russia
this was my setup) I could reliably hear and work FO-29 and UO-14 above about
20 degrees elevation, but all were weak signals. AO-51 on 70 cm is not quite
as loud as UO-14 was.
A "couple of 259's" probably are causing much more loss than the 40' of 9913.
Without a preamp at the antenna, every fraction of a dB makes a difference. A
preamp at the antenna is a good investment, as you can use it with any antenna
you might build or buy in the future. The ARR in a suitable enclosure works
well, and for a little more money you can still find good used Landwehr and
SSB preamps around (RadioDan.com in CA used to handle refurbished Landwehr
preamps). If you have a receiver-only setup, you could build one of the
Hamtronics models or even the $20 Ramsey kit
(http://www.ramseyelectronics.com/downloads/manuals/PR40.pdf).
Don't give up. I spent about 6 months, off and on, trying to hear AO-27 on an
HT, then on a ground plane, then on a hand-held dipole, and finally heard it
for about 5 seconds on an EB. I was beginning to think it was a hoax :-)
That was the first time I had ever heard a satellite on 70 cm, but I kept
"improving" the setup a little at a time. Nothing made a bigger difference
than adding a preamp at the antenna.
73,
Jerry, G/K5OE
- ------------------------------------
N4NAB writes:
I have constructed, very carefully I might add, a 70cm eggbeater II, got
the swr down to 1.1/1 at 435-438 .Stone deaf at 25' height and 40 foot
run of 9913.
I must have too much attenuation in the line into the shack. I don't
have any N connectors on hand so there are a couple of 259's in the
line.
Am I wasting my time and $$ or will a mast preamp help?
73, John
N4NAB/ FM14lq
AMSAT # 32411
- ----
Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org
------------------------------
Message: 3
Date: Sat, 18 Jun 2005 17:48:00 +0700
From: "Thailand Amateur Radio Satellites Corporate"
<tamsat_gateway@hotmail.com>
Subject: [amsat-bb] Re: Successful contact via AO-51 between JA6PL + HS1JAN
Dear JA6PL and HAM in Asia
Thank you for respond to us. Tonight!! and Monday to Friday after 1300 -
1700 UTC
between 17-26 June 2005. We would like to invite all HAM in Asia standby
for access
to AO-51 mode V/S. Ham of TAMSAT group in thailand waiting access to LEO
satellite.
Regards,
Tanan Rangseeprom HS1JAN
Thailand Satellites Gateway of TAMSAT / Thailand Amateur Radio Satellites
Corporate
>From: iji <ja6pl@tsm.bbiq.jp>
>To: Thailand Amateur Radio Satellites Corporate
><tamsat_gateway@hotmail.com>
>Subject: Re: Successful contact via AO-51 between JA6PL + HS1JAN
>Date: Sat, 18 Jun 2005 17:29:04 +0900
>
>Dear OM,Thanks nice report.
>I was contact to HS8GLR at 14 June 2005 13:28UTC.
>and soon after HS5IGY call me by RS59 sigs.
>
>I hope contact many HS-station.
>73
>?@
>
>Thailand Amateur Radio Satellites Corporate wrote:
>
> > Dear JA6PL
> >
> > Please go to
> >
> > http://echolink.station.in.th/forums/attachment.php?attachmentid=157
> >
> > for that is file wave voice signal from AO-51 downlink 2401.2 MHz 18
> > June 2005 03:05 UTC.
> >
> > Regards,
> >
> > Tanan Rangseeprom
> >
>--
>de ja6pl@jamsat.or.jp
>PM53IU(33.52.07N?A130.43.07E)
>Iji Yoshitomo
>
>
Read previous mail | Read next mail
| |
