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Author Topic: Monitor Sensors 630m transverter  (Read 1637 times)
AA2UK
Member

Posts: 363




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« Reply #15 on: November 22, 2017, 08:12:25 AM »

Jeff, the filtering is what makes this transverter a winner, Opening up the filters by a redesign would be a huge mistake. Just my opinion......
They make a 2200 version.
Bill, AA2UK
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VA3VF
Member

Posts: 917




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« Reply #16 on: November 22, 2017, 08:15:16 AM »

Jeff, the filtering is what makes this transverter a winner, Opening up the filters by a redesign would be a huge mistake. Just my opinion......
They make a 2200 version.
Bill, AA2UK

I wholeheartedly agree. Typical case where less is more. Grin

It's nasty down there!
« Last Edit: November 22, 2017, 08:23:12 AM by VA3VF » Logged
AE5X
Member

Posts: 1029




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« Reply #17 on: November 22, 2017, 08:58:08 AM »

I just remembered that I have an old LF receive converter from years ago when I wanted to be a "lowfer". I never heard much with it but that was before the now-widespread use of digital modes. It might be fun to see what it can do on 630m. Even though its specs say it's for 10-300 kHz, that range can be easily modified - the manual even gives you the math and examples on how to do that.

http://wb9kzy.com/lfconv.htm

Manual:
http://wb9kzy.com/lfconv5.pdf

Write-up/mods:
https://web.archive.org/web/20110520113623/http://www.cliftonlaboratories.com/jackson_harbor_press_vlf_converter.htm

73,
« Last Edit: November 22, 2017, 09:00:28 AM by AE5X » Logged

K0OD
Member

Posts: 2982




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« Reply #18 on: November 22, 2017, 09:24:10 AM »

From the factory it's a 630m DX machine. I wonder what can be configured now or in the future thru the front panel USB connector. No one knows where the longwave ham bands are going. I'd order one of the transverters but winter is setting in here. I'm not messing with transmitting antennas now. I find the WSPR and CW listening to be fun enough.

Rob Sherwood, NC0B, just got one. I'm curious what he'll have to say about the transverter's performance.

AE5X: Simple $15 Jackson Harbor converters are well regarded for basic LW reception. I think they're still available from someone.

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AE5X
Member

Posts: 1029




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« Reply #19 on: November 22, 2017, 05:27:13 PM »

Quickly made test of the Jackson Harbor LF converter on 630m:

https://www.youtube.com/watch?v=YUB5qVe1y5I&feature=youtu.be
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VA3VF
Member

Posts: 917




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« Reply #20 on: November 22, 2017, 05:33:32 PM »

Quickly made test of the Jackson Harbor LF converter on 630m:

https://www.youtube.com/watch?v=YUB5qVe1y5I&feature=youtu.be


Very good. I also purchased this kit many moons ago for LowFer monitoring. Never got around building it. With the new band/s, Jackson Harbor must be selling a ton of kits.
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AE5X
Member

Posts: 1029




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« Reply #21 on: November 23, 2017, 05:49:39 AM »

I left the converter running last night and was glad to see that it is stable enough to decode digital signals. Details on my website. Happy Thanksgiving all!
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