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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TenTec\]\s+OT\:\s+Holiday\s+SDR\s+Project\s*$/: 22 ]

Total 22 documents matching your query.

1. [TenTec] OT: Holiday SDR Project (score: 1)
Author: Don Rasmussen via TenTec <tentec@contesting.com>
Date: Wed, 5 Nov 2014 08:34:47 -0800
After all this talk about the new Flex Series and peripherals it seems all of my objections have melted away except for the oldest one - cost! Flex 6300 with FX-PAD and TMate2 are outside of my ham r
/archives//html/TenTec/2014-11/msg00165.html (7,376 bytes)

2. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Wed, 05 Nov 2014 12:21:10 -0500
That will work well for you. My N4PY software can provide everything you need to keep the softrock and your transceiver on the same frequency. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www
/archives//html/TenTec/2014-11/msg00167.html (8,616 bytes)

3. [TenTec] OT: Holiday SDR Project (score: 1)
Author: Don Rasmussen via TenTec <tentec@contesting.com>
Date: Fri, 7 Nov 2014 14:45:32 -0800
That sounds great Carl, the transceiver and SDR can both be tuned by the main tuning knob of the transceiver. Anyone have suggestions on sharing the antenna? The second receiver needs to have it's in
/archives//html/TenTec/2014-11/msg00216.html (8,135 bytes)

4. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Don Rasmussen via TenTec <tentec@contesting.com>
Date: Fri, 7 Nov 2014 15:16:36 -0800
OMNI 6 Plus... Which TT radio are you hanging the SDR from? 73 & DX, Gary - AB9M _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/
/archives//html/TenTec/2014-11/msg00218.html (7,551 bytes)

5. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sat, 08 Nov 2014 22:25:45 -0500
What radio are you using? Many radios have an easy way to share antennas. If that's not an easy solution then the MFJ1708 can do the job. See below. The solution to share antennas is to add an MFJ-17
/archives//html/TenTec/2014-11/msg00226.html (10,920 bytes)

6. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
Date: Sun, 9 Nov 2014 04:42:10 +0100
That is a very good tip, Carl. Reminds me of the old Johnson T/R switch I used 50 years ago (hi). My only comment is, one should absolutely NOT use the RF sense for switching when working in CW. That
/archives//html/TenTec/2014-11/msg00228.html (12,022 bytes)

7. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sat, 08 Nov 2014 22:45:52 -0500
Yes, I agree the RF sense is not a good way. That's why I added the line about using the amp key line. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com My only comment is, one should
/archives//html/TenTec/2014-11/msg00229.html (12,693 bytes)

8. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: George Fritkin via TenTec <tentec@contesting.com>
Date: Sat, 8 Nov 2014 20:02:16 -0800
DX Engineering has products for this George, W6GF Sent from my iPad _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listi
/archives//html/TenTec/2014-11/msg00230.html (13,343 bytes)

9. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Don Rasmussen via TenTec <tentec@contesting.com>
Date: Sat, 8 Nov 2014 22:04:00 -0800
Great info Carl - thanks. Sounds like Corsair 2 has the best option for passing the receive but that is not a CAT radio for N4PY software so yes, some external antenna switching would be needed as yo
/archives//html/TenTec/2014-11/msg00232.html (9,317 bytes)

10. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
Date: Sun, 9 Nov 2014 08:18:46 +0100
On the topic of antenna switches for multiple receivers, there are such devices available. One such device is the DA-4 from RF Systems. See: http://www.universal-radio.com/catalog/preamps/0601.html I
/archives//html/TenTec/2014-11/msg00233.html (11,268 bytes)

11. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: george fritkin via TenTec <tentec@contesting.com>
Date: Sun, 9 Nov 2014 06:56:07 -0800
To whomever reads this......using the jumper on the MFJ 1708 is not a good idea George, W6GF On the topic of antenna switches for multiple receivers, there are such devices available. One such device
/archives//html/TenTec/2014-11/msg00234.html (12,051 bytes)

12. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: "R. Eric Sluder via TenTec" <tentec@contesting.com>
Date: Sun, 9 Nov 2014 10:13:33 -0500
George, It would help us all out if you would kindly elaborate as to why not. 73 -Eric W9WLW Sent from an iPhone _______________________________________________ TenTec mailing list TenTec@contesting.
/archives//html/TenTec/2014-11/msg00235.html (13,960 bytes)

13. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sun, 09 Nov 2014 11:05:14 -0500
That's the only way the 1708 works for what is needed. I have several of my users doing this. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com George, W6GF On the topic of antenna sw
/archives//html/TenTec/2014-11/msg00236.html (13,292 bytes)

14. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sun, 09 Nov 2014 11:17:40 -0500
The MFJ 1708 schematic shows the relay in the transmit position which is contrary to what it says in the diagram. Without the jumper, in receive only the panadapter receiver would be connected to the
/archives//html/TenTec/2014-11/msg00237.html (13,537 bytes)

15. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Don Rasmussen via TenTec <tentec@contesting.com>
Date: Sun, 9 Nov 2014 10:29:14 -0800
Carl, Is there a document for the mod anywhere? Photo, etc. == The MFJ 1708 schematic shows the relay in the transmit position which is contrary to what it says in the diagram. Without the jumper, in
/archives//html/TenTec/2014-11/msg00238.html (9,335 bytes)

16. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: George Fritkin via TenTec <tentec@contesting.com>
Date: Sun, 9 Nov 2014 10:44:45 -0800
Yes, and if the relay is not fast enough, you will TX RF right into the receiver. It may be momentary, but still potentially dangerous. The DX Engineering RTR does not have the problem George, W6GR S
/archives//html/TenTec/2014-11/msg00239.html (9,999 bytes)

17. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sun, 09 Nov 2014 15:10:54 -0500
No. You just solder a wire from the SO238 for the antenna to the SO239 for the connection to the transceiver. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com == The MFJ 1708 schemat
/archives//html/TenTec/2014-11/msg00240.html (9,922 bytes)

18. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sun, 09 Nov 2014 15:12:16 -0500
If you energize the relay with the amp key line, it will energize before RF is generated. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com George, W6GR Sent from my iPad Carl, Is the
/archives//html/TenTec/2014-11/msg00241.html (10,621 bytes)

19. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: George Fritkin via TenTec <tentec@contesting.com>
Date: Sun, 9 Nov 2014 13:58:21 -0800
It depends on xcvr George, W6GF Sent from my iPad _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec
/archives//html/TenTec/2014-11/msg00242.html (11,688 bytes)

20. Re: [TenTec] OT: Holiday SDR Project (score: 1)
Author: Carl Moreschi <n4py3@earthlink.net>
Date: Sun, 09 Nov 2014 17:58:55 -0500
I agree the DX Engineering RTR looks like a safer solution. Carl Moreschi N4PY 58 Hogwood Rd Louisburg, NC 27549 www.n4py.com On 11/9/2014 1:44 PM, George Fritkin via TenTec wrote: DX Engineering RTR
/archives//html/TenTec/2014-11/msg00243.html (8,935 bytes)

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