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Re: LF: RE: [rsgb_lf_group] JT9-2 test by OR7T

To: [email protected]
Subject: Re: LF: RE: [rsgb_lf_group] JT9-2 test by OR7T
From: pa3abk <[email protected]>
Date: Tue, 30 Oct 2012 00:35:50 +0100
In-reply-to: <7E7DFBB4D102A04DB5ADC88D66628A4A0FB511F6@ICTS-S-MBX5.luna.kuleuven.be>
References: <7E7DFBB4D102A04DB5ADC88D66628A4A0FB51185@ICTS-S-MBX5.luna.kuleuven.be>,<[email protected]> <7E7DFBB4D102A04DB5ADC88D66628A4A0FB511F6@ICTS-S-MBX5.luna.kuleuven.be>
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Rik,
Assume you modified the TS440 for "all band" tx.
Just use "split" function. It works for me :-)
Use channel 90-99 for programming "split" frequencies.
Jan/pa3abk

On 29-10-2012 23:12, Rik Strobbe wrote:

Hello Michael,

thank you for the report.

The JT9 setup is very experimental: a homebrew 4500kHz to 500kHz downconverter (SBL1) followed by a Kalmus-100 wideband power amplifier and a 550kHz LPF. The PA can deliver 10W, but the downconvertor has only drive power for 4W. A 6dB att. between downconvertor and PA = 1 W.

Now I have to figure out a problem in the RX to TX sequence: my TS440 will not transmit below 1.5MHz, so when listening on 500kHz the PTT (or VOX) does not work. I have to switch from VFO-A (500kHz) to VFO-B (4500kHz) by hand before I can transmit.

73, Rik  ON7YD - OR7T

------------------------------------------------------------------------
*Van:* [email protected] [[email protected]] namens Michael Oexner [[email protected]]
*Verzonden:* maandag 29 oktober 2012 22:55
*To:* [email protected]
*Onderwerp:* Re: [rsgb_lf_group] JT9-2 test by OR7T

Hello Rik,

> I will do a first JT9-2 test on 501.450kHz (500kHz dial - 1450Hz) for the next hour or so.

> TX output power is 4 Watt (estimated 20mW ERP).

> Reports are welcome.

That's what I got right now:

2148 10 -13 0.4 1454.41 0.00 OR7T 5MW ERP
2150 3 -26 -0.4 1482.59 0.00
2152 4 -25 0.3 1453.76 0.00 OR7T 5MW ERP

--
vy 73 + gd DX,

Michael

RX: ICOM R75, SDR-IQ, Perseus
Antenna: Wellbrook ALA 1530, Mini-Whip
Location: Roschbach, Germany N 49°15' E 8°07' / Locator JN49bf

ENDBH & NANDBH editor

http://ndbchangeblog.blogspot.com

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pa3abk <-> dordrecht jo21it



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