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#11
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Mike you are indeed getting old like me.
The Hallicrafters SX-100 and Hammarlund HQ-180AC were indeed great radio's in their day. But time marches on - "time and tide waits for no man!" Undoubtedly the Drake R8B will be a historic radio of its time, the nineties. So too will be the new digital radio's of the new millennium. The old boatanchors are now history, surpassed by the awesome capabilities of the new era digital radio's. BTW I cut my teeth on an Eddystone 840 Best wishes for good DX in the New Year -- John Plimmer, Montagu, Western Cape Province, South Africa "Michael Lawson" wrote in message ... "John Plimmer" wrote in message ... Anyone interested in having a look at a side by side comparison between the venerable Drake R8B and Icom's latest digital transceiver offering the 756 PRO III can do so at http://www.dxing.info/equipment/icom_ic756_plimmer.dx The Icom has some impressive features for a SW DXer with performance to match Interesting article, but man, "venerable Drake R8B"?? When I think "venerable", I think a Hallicrafters SX-100 or a Hammarlund HQ-180AC. I must be getting old. --Mike L. |
#12
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![]() Brian Denley schrieb: Volker Tonn wrote: I have a Sony 2001D/ 2010 and a NRD-525. The NRD has no sync detection and it runs circles around the Sony in *every* aspect. It should! Yes :-) I just switch to SSB-mode selecting the sideband and the bandwidth wich is working best. I'm rarely listenig in AM-mode. If you had a good sync detector, you might listen more in AM mode. A good sync detector basically provides auto-ECSS. AFAIK the NRD-525 *is* in ECSS-mode when switched to AM. It allways adds its own carrier frequency, except when switched to FM mode. Nontheless I like SSB much more than AM. |
#13
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![]() Volker Tonn wrote: Brian Denley schrieb: Volker Tonn wrote: I have a Sony 2001D/ 2010 and a NRD-525. The NRD has no sync detection and it runs circles around the Sony in *every* aspect. It should! Yes :-) I just switch to SSB-mode selecting the sideband and the bandwidth wich is working best. I'm rarely listenig in AM-mode. If you had a good sync detector, you might listen more in AM mode. A good sync detector basically provides auto-ECSS. AFAIK the NRD-525 *is* in ECSS-mode when switched to AM. It allways adds its own carrier frequency, except when switched to FM mode. Never heard that before, but who knows. dxAce Michigan USA |
#14
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Volker Tonn wrote:
Brian Denley schrieb: Volker Tonn wrote: I have a Sony 2001D/ 2010 and a NRD-525. The NRD has no sync detection and it runs circles around the Sony in *every* aspect. It should! Yes :-) I just switch to SSB-mode selecting the sideband and the bandwidth wich is working best. I'm rarely listenig in AM-mode. If you had a good sync detector, you might listen more in AM mode. A good sync detector basically provides auto-ECSS. AFAIK the NRD-525 *is* in ECSS-mode when switched to AM. It allways adds its own carrier frequency, except when switched to FM mode. Nontheless I like SSB much more than AM. Actually it is true ECSS. The carrier is derived form the input signal so there is no need for careful tuning. craigm |
#15
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![]() craigm wrote: Volker Tonn wrote: Brian Denley schrieb: Volker Tonn wrote: I have a Sony 2001D/ 2010 and a NRD-525. The NRD has no sync detection and it runs circles around the Sony in *every* aspect. It should! Yes :-) I just switch to SSB-mode selecting the sideband and the bandwidth wich is working best. I'm rarely listenig in AM-mode. If you had a good sync detector, you might listen more in AM mode. A good sync detector basically provides auto-ECSS. AFAIK the NRD-525 *is* in ECSS-mode when switched to AM. It allways adds its own carrier frequency, except when switched to FM mode. Nontheless I like SSB much more than AM. Actually it is true ECSS. The carrier is derived form the input signal so there is no need for careful tuning. Is it selecting a particular sideband? craigm |
#16
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![]() dxAce schrieb: Is it selecting a particular sideband? No. But actually there is no need for that -IMHO-. Tuning to zerobeat in SSB is easy and rock stable. Switching to SSB is easily done without shifting. And with some additional IF-filters you can switch to the bandwidth working best in conjunktion with bandpass shift. |
#17
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![]() Volker Tonn wrote: dxAce schrieb: Is it selecting a particular sideband? No. But actually there is no need for that -IMHO-. Tuning to zerobeat in SSB is easy and rock stable. Switching to SSB is easily done without shifting. And with some additional IF-filters you can switch to the bandwidth working best in conjunktion with bandpass shift. OK, I was wondering about the ECSS in AM mode. |
#18
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Volker Tonn wrote:
dxAce schrieb: Is it selecting a particular sideband? No. But actually there is no need for that -IMHO-. Tuning to zerobeat in SSB is easy and rock stable. Switching to SSB is easily done without shifting. And with some additional IF-filters you can switch to the bandwidth working best in conjunktion with bandpass shift. Volker: Yes but in true AM ECSS mode (syncronous demodulation), the zero beating is automatic and tracks. You don't have to keep adjusting. Drift doesn't matter, music comes in perfectly, it's locked! That is superior to any manual ECSS mode. -- Brian Denley http://home.comcast.net/~b.denley/index.html |
#19
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Guy Atkins wrote:
I've had a Ten-Tec RX340 in the shack for a month, and it performed significantly worse on tough DX than my modded R-75 and the RA6790GM I used to have. Guy Atkins Puyallup, WA USA Any RX-340 that gets outperformed by a R75 needs to be taken to the shop. -- Brian Denley http://home.comcast.net/~b.denley/index.html |
#20
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"Brian Denley" wrote:
Guy Atkins wrote: I've had a Ten-Tec RX340 in the shack for a month, and it performed significantly worse on tough DX than my modded R-75 and the RA6790GM I used to have. Guy Atkins Puyallup, WA USA Any RX-340 that gets outperformed by a R75 needs to be taken to the shop. I would tend to agree, unless his definition of "tough DX" is extremely narrow. -- Eric F. Richards, "Nature abhors a vacuum tube." -- Myron Glass, often attributed to J. R. Pierce, Bell Labs, c. 1940 |
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