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References: [ +from:co8dm@frcuba.co.cu: 31 ]

Total 31 documents matching your query.

1. Re: Topband: Best wire antenna for roof top location (score: 1)
Author: "Douglas Ruz" <co8dm@frcuba.co.cu>
Date: Sat, 8 Aug 2015 16:09:03 -0400
I agree with Mirko...sloping dipoles is the best choice for Nuradi location...THE LOW BAND DXING book is very clear. If SEA WATER is close it is better. 73....Douglas, CO8DM "No creo que haya alguna
/archives//html/Topband/2015-08/msg00050.html (11,439 bytes)

2. Topband: RX antenna ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Thu, 27 Aug 2015 10:13:46 -0400
Hi, I will install a vertical antenna for TX on 160, 80 and 40m. I want build a Receiving antenna for those Low Bands. I live in a city lot, so, i can not install beverages...i have been reading in t
/archives//html/Topband/2015-08/msg00079.html (8,872 bytes)

3. Re: Topband: RX antenna ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Thu, 27 Aug 2015 10:32:00 -0400
Thanks Tony, I am using an old Yaesu, FT747...it is only one antenna connector on that radio, so, i have to do a circuit for switching RX and TX antennas and also a preamplifier for the flag antenna.
/archives//html/Topband/2015-08/msg00080.html (10,299 bytes)

4. Re: Topband: RX antenna ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Thu, 27 Aug 2015 12:37:56 -0400
I have 2 more questions: About the resistor: what kind of material???...carbon, right? and what power will disipate the resistor ? The 2nd questions is about the transformer: i have some binocular an
/archives//html/Topband/2015-08/msg00082.html (10,311 bytes)

5. Re: Topband: RX antenna ??? (score: 1)
Author: "Douglas M. Ruz Sobrado" <co8dm@frcuba.co.cu>
Date: Fri, 28 Aug 2015 11:05:11 -0400 (CDT)
Hi everybody !!!, Thank you very much for all the information and special THANKS to one friend that will help with Transformer and Terminator Resistor. I need some information about Preamplifiers for
/archives//html/Topband/2015-08/msg00084.html (9,091 bytes)

6. Re: Topband: RX antenna ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Fri, 28 Aug 2015 21:23:24 -0400
I totally agree with you Steve...i will try the flag first without preamp and see how it play. Actually, i will have a short coax run...about 30 or 40 ft... 73....Douglas, CO8DM "No creo que haya alg
/archives//html/Topband/2015-08/msg00101.html (10,040 bytes)

7. Topband: Folded CounterPoise ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 29 Aug 2015 12:06:25 -0400
Hi, Originally, the FCP is connected in the center (33ft each side for 160m)...Did somebody try connect it at one END ???. Probably i will install my vertical in a corner of my property and some neig
/archives//html/Topband/2015-08/msg00102.html (9,257 bytes)

8. Topband: KD9SV-OK1RR relays ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 29 Aug 2015 12:15:37 -0400
Hi Martin, OK1RR, I tried email direct to you but it was not possible. I am sorry about the other member of the list. It is about the FRONT END SAVER relays: I have two different relays here and i wo
/archives//html/Topband/2015-08/msg00103.html (7,010 bytes)

9. Re: Topband: KD9SV-OK1RR relays ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 29 Aug 2015 16:41:10 -0400
Tim, Yes, you are absolutely right !!!! Thanks, 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que u
/archives//html/Topband/2015-08/msg00110.html (8,462 bytes)

10. Re: Topband: KD9SV-OK1RR relays ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 30 Aug 2015 08:41:39 -0400
Tom and all members of the list thanks for your ideas and time !!!!. I have a plan B: I added a BNC female connector in the rear panel of my old Yaesu, FT747 (It is an FT80C, the commercial version w
/archives//html/Topband/2015-08/msg00117.html (12,103 bytes)

11. Topband: Fast relay ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 30 Aug 2015 22:15:54 -0400
Martin, Tom and all members of the list, The AS RXFEP is very nice but it is very expensive. I prefer the KD9SV modify by Martin, OK1RR...it is very easy to build but i need only the relays...someone
/archives//html/Topband/2015-08/msg00137.html (7,925 bytes)

12. Re: Topband: Fast relay ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 31 Aug 2015 12:42:35 -0400
Thanks for your help Petr !!!! 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se olvide de c
/archives//html/Topband/2015-08/msg00151.html (9,241 bytes)

13. Topband: Waller Loop ??? (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Sep 2015 00:14:24 -0400
Hi Topbanders, I have been reading about Waller Loop in the last couple of days...it is an amazing antenna for low bands. I tried answers few questions but i can´t...need help from the list: About bu
/archives//html/Topband/2015-09/msg00006.html (7,079 bytes)

14. Re: Topband: CE1TBN (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sun, 6 Sep 2015 12:09:34 -0400
Congratulations Marco !!!!...good job !!! 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se
/archives//html/Topband/2015-09/msg00010.html (8,518 bytes)

15. Re: Topband: WAS 160 (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Dec 2015 08:29:54 -0500
I heard N4OGW from MS last night... 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se olvide
/archives//html/Topband/2015-12/msg00052.html (7,853 bytes)

16. Topband: CO8DM on 1861 Khz CW... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Dec 2015 23:16:37 -0500
Hi, I am calling on 1861 Khz...only 100 watts. If someone would like to try. 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcio
/archives//html/Topband/2015-12/msg00078.html (7,332 bytes)

17. Re: Topband: CO8DM on 1861 Khz CW... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Dec 2015 23:25:24 -0500
Ok Jeff...1870 is clean. I move to 1870 Khz 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno s
/archives//html/Topband/2015-12/msg00081.html (8,987 bytes)

18. Re: Topband: CO8DM on 1861 Khz CW... (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Dec 2015 23:54:54 -0500
i am now on 1827.5 Khz 73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se olvide de comer, de
/archives//html/Topband/2015-12/msg00085.html (9,697 bytes)

19. Topband: i am calling on 1827.5 Khz now (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Sat, 5 Dec 2015 23:57:15 -0500
73....Douglas, CO8DM "No creo que haya alguna emoción más intensa para un inventor que ver alguna de sus creaciones funcionando. Esa emoción hace que uno se olvide de comer, de dormir, de todo." - Ni
/archives//html/Topband/2015-12/msg00086.html (6,680 bytes)

20. Re: Topband: 4SQ around tower (score: 1)
Author: "Douglas Ruz \(CO8DM\)" <co8dm@frcuba.co.cu>
Date: Mon, 7 Dec 2015 13:17:57 -0500
Hi Rudy, Maybe i am wrong but i think Jorge, CX6VM/CW5W has something similar for 160m. Try contact him and ask about his experience. I think he is member of this list. GL with the project. 73....Dou
/archives//html/Topband/2015-12/msg00106.html (9,306 bytes)


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