- 1. Topband: Re: Vactrols and Flag (score: 1)
- Author: k4ik@subich.com (Joe Subich, K4IK)
- Date: Sun, 14 Apr 2002 16:12:10 -0400
- For K9AY and/or pennant/flag antennas the military surplus fiberglass mast sections that K4TMC sells look like a good bet. See http://www.geocities.com/tmastco/fiberglasspoles.jpg 73, ... Joe, K4IK
- /archives//html/Topband/2002-04/msg00025.html (9,932 bytes)
- 2. Topband: TEN-TEC IS LISTENING! (score: 1)
- Author: k4ik@subich.com (Joe Subich, K4IK)
- Date: Fri, 8 Mar 2002 09:49:30 -0500
- TenTec could use a single roofing filter in the sub-receiver wide enough for SSB (3 KHz, 6 Pole maybe) and the ability to switch it out for wider modes (AM, FM) without a major increase in cost comp
- /archives//html/Topband/2002-03/msg00072.html (8,919 bytes)
- 3. RE: Topband: Wireless router EMC/RFI on 1,8 and up to 30MHz? (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Thu, 2 Oct 2003 11:20:57 -0400
- Kristin (et al), The RF portion of the wireless router should not pose a problem with HF activities as the 802.11 routers operate at high UHF and low microwave frequencies (in the 900 MHz, 1.2 GHz an
- /archives//html/Topband/2003-10/msg00015.html (8,669 bytes)
- 4. RE: Topband: AM station on 1810 (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Wed, 26 Nov 2003 15:12:02 -0500
- One of the best resources on the web for help in locating some of the interfering AM stations is www.radio-locator.com The site allows searching by frequency, call, format, and location. It also prov
- /archives//html/Topband/2003-11/msg00188.html (7,704 bytes)
- 5. RE: Topband: DX window (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Mon, 29 Dec 2003 14:32:44 -0500
- I don't know where you got that idea ... it was always expected that DX stations would call CQ in the window and listen for NA stations elsewhere (US stations would call CQ elsewhere and listened fo
- /archives//html/Topband/2003-12/msg00274.html (9,097 bytes)
- 6. RE: Topband: Early JA's at W4DR (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 27 Jan 2004 10:58:45 -0500
- John's comments about working VS6DO before working his first JA on 160 reminds me of one of my all-time favorite 160 QSOs ... I'd been chasing DXCC on 160 since I got out of college and moved into my
- /archives//html/Topband/2004-01/msg00266.html (8,343 bytes)
- 7. RE: Topband: A61AJ, etc. (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 3 Feb 2004 22:13:33 -0500
- Unbelievable! I'm listening to A61AJ at an honest 599 ... at least 10 dB out of very bad noise as I type this. Worked him on the first call - barefoot, with a horizontal wire at about 40'. He's hones
- /archives//html/Topband/2004-02/msg00028.html (7,798 bytes)
- 8. RE: Topband: dynamic range (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Fri, 6 Feb 2004 00:49:53 -0500
- Yes, the proper way to set up the S-meter would be to use a signal generator set to 500uV and a 20 dB inline 50 Ohm attenuator. The 20 dB pad would assure that the generator saw (very close to) 50 O
- /archives//html/Topband/2004-02/msg00097.html (8,752 bytes)
- 9. RE: Topband: SteppIR for Tophat? (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sat, 10 Apr 2004 19:13:57 -0400
- grounded ... other than the driven element which is connected the balun/unun and the coax shield. You might ask them how to ground the parasitic elements since they do use the same housing, etc. for
- /archives//html/Topband/2004-04/msg00048.html (7,636 bytes)
- 10. RE: Topband: Re: Element grounding (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sun, 11 Apr 2004 19:36:57 -0400
- On the other hand, with the SteppIR yagis, if one retracts the elements when not in use as recommended by the manufacturer, there is no "long element hanging out from the boom." Similarly, there is
- /archives//html/Topband/2004-04/msg00057.html (7,822 bytes)
- 11. RE: Topband: mode separation...small stn dx oppty (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 20 Apr 2004 21:36:06 -0400
- Jim, You are correct ... however, we can not protect any narrowband mode CW, PSK or another yet to be discovered mode from the wideband "I don't care ... I'll operate any place my license allows" at
- /archives//html/Topband/2004-04/msg00186.html (8,823 bytes)
- 12. RE: Topband: PSK-31 (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 27 Apr 2004 09:22:40 -0400
- Jim, Be careful when running the sound card at full output. The amplifier in many cards is marginal at full output and will generate IMD and/or other spurious outputs before the PSK (or RTTY, MFSK, e
- /archives//html/Topband/2004-04/msg00236.html (7,852 bytes)
- 13. RE: Topband: PSK-31 (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 27 Apr 2004 19:09:39 -0400
- Been there - done that too. levels. Unfortunately, PSK does not have a constant level envelope ... with the phase inversion (BPSK) it simply can't. Most sources recommend running a rig at about 6 dB
- /archives//html/Topband/2004-04/msg00241.html (9,271 bytes)
- 14. RE: Topband: PSK-31 (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Wed, 28 Apr 2004 22:54:33 -0400
- Unfortunately, when the user of one of these cards sets up with a 100 Hz tone, turns the output up all the way, inserts an attenuator between the sound card and the radio and then increases the mic
- /archives//html/Topband/2004-04/msg00256.html (9,816 bytes)
- 15. RE: Topband: PSK-31 (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Thu, 29 Apr 2004 10:02:43 -0400
- You're correct but so what? That's the audio (subcarrier) drive, not RF power. Your own measurements showed that your sound card required operating at -6 dB before the harmonic and spurious content
- /archives//html/Topband/2004-04/msg00259.html (11,057 bytes)
- 16. RE: Topband: RX antennas (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sat, 8 May 2004 16:43:54 -0400
- If you want to do something like that take a look at W2UP's 17' x 28' (H x W) rotatable K6SE delta loop: http://w2up.home.mindspring.com/160-loop/loopt.htm I'm thinking about a diamond loop (17' hig
- /archives//html/Topband/2004-05/msg00010.html (7,186 bytes)
- 17. RE: Topband: Tophat? Does it have to be at the top? (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Mon, 7 Jun 2004 17:50:51 -0400
- The "hat" on the Cushcraft 402-CD (and XM-402) provides relatively little capacitance compared to the element tip. Without the "hats," the element tip would need to be extended by 24 to 36" each sid
- /archives//html/Topband/2004-06/msg00018.html (8,522 bytes)
- 18. RE: Topband: two wires Beverage (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Tue, 27 Jul 2004 18:40:52 -0400
- Jacques, Other than the possible impedance change with weather that W8JI warns about, you should not have any problem using the 150 Ohm line for a reversible beverage as long as you adjust the transf
- /archives//html/Topband/2004-07/msg00071.html (8,487 bytes)
- 19. RE: Topband: ARRL Bandwidth petition (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Sat, 28 Aug 2004 13:15:32 -0400
- Unfortunately, the Ad Hoc Digital Committee was heavily stacked with supporters of "semi-automatic" message forwarding systems. their proposal, adopted without discussion by the ARRL allows these sy
- /archives//html/Topband/2004-08/msg00107.html (10,365 bytes)
- 20. RE: Topband: Receivers (score: 1)
- Author: "Joe Subich, K4IK" <k4ik@subich.com>
- Date: Fri, 12 Nov 2004 09:07:30 -0500
- The GUF-1 was an 8 Pole - 6 KHz filter and provided a useful improvement on SSB without resorting to separate USB/LSB filters in the R4C first IF. FoxTango (the predecessor of International Radio Se
- /archives//html/Topband/2004-11/msg00098.html (9,091 bytes)
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