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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[VHFcontesting\]\s+28\s+MHz\s+vs\.\s+144\s+MHz\s+IF\s*$/: 6 ]

Total 6 documents matching your query.

1. [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: "Michael E Fox $N6MEF$" <N6MEF@mefox.org>; Date: Fri, 23 Jan 2009 18:06:21 -0800; 28 MHz vs. 144 MHz IF for transverters. I'm curious about whether to pick a transponder with 28 MHz or 144 MHz IF 1.25m and possibly for 33cm. What are the relative pros and cons for each? Why would; /archives//html/VHFcontesting/2009-01/msg00153.html (6,808 bytes)
2. Re: [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: "Mike (KA5CVH) Urich" <ka5cvh@gmail.com>; Date: Fri, 23 Jan 2009 23:41:00 -0600; The Radio Shack / Uniden 10 meter mono-band radios are somewhat popular for IF radios. -- Mike Urich, KA5CVH http://ka5cvh.com "The government cannot give to anyone anything that it does not first ta; /archives//html/VHFcontesting/2009-01/msg00154.html (7,987 bytes)
3. Re: [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: Ray J <Ray@w9ray.org>; Date: Fri, 23 Jan 2009 23:53:57 -0600; If you have a high performance hf rig available, why use 2 meters. or the other way around... I do not think there is anything commercial out there that uses a 10 meter IF above 1296 though.. I have; /archives//html/VHFcontesting/2009-01/msg00156.html (7,833 bytes)
4. Re: [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: kb7dqh@donobi.net; Date: Fri, 23 Jan 2009 22:16:18 -0800 (PST); Key word here is "commercial"... I have seen a filter design by N6CA that is narrow enough at 10 Ghz to allow for a 10 meter band IF... and he homebrewed a 10 Ghz transverter based on his filter desi; /archives//html/VHFcontesting/2009-01/msg00157.html (8,106 bytes)
5. Re: [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: Nate Duehr <nate@natetech.com>; Date: Sat, 24 Jan 2009 00:23:47 -0700; Your 10m rig would have to be VERY frequency stable to pull off 10m to 10GHz. My 144MHz to 10GHz stuff drifts significantly when moved from shade to full sun during June. Maybe not in January?! (GRIN; /archives//html/VHFcontesting/2009-01/msg00158.html (9,311 bytes)
6. Re: [VHFcontesting] 28 MHz vs. 144 MHz IF (score: 1): Author: "Terry Price" <w8zn@comcast.net>; Date: Sat, 24 Jan 2009 08:22:37 -0500; None of the existing designs for transverters that are produced today with work on 10GHz with a 28MHz IF. DEM, DB6NT even W1GHZ doesn't go there, just not enough spacing between the LO and IF for pro; /archives//html/VHFcontesting/2009-01/msg00161.html (9,953 bytes)

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