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Horrible, Horrible HF reception
I recently bought an Icom IC-R3 (hand held communications receiver) and a
Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. How can these two new receivers be soooo bad????? I live within a mile of an AM broadcast station, could that be the problem? (It doesn't bother my old Kenwood though!) Is anyone successfully listening to shortwave stations with either of these radios? I'm was going to buy a new HF amateur rig, but now I'm scared that it might have poor reception at my location also. -- Bob D. ND9B |
Horrible, Horrible HF reception
Try 3.215 mhz ( WWCR )
"WWCR has four 100 Kw state-of-the-art transmitters which serve the world on 10 different broadcasting channels. Together our transmitters provide over 400 religious and talk programs direct from Nashville, Tennessee, USA, to a global audience." You 'should' be able to pick up this station on almost anything, if not, you may be in a 'dead spot' We've all noticed certain area's while in a car ( listening to a radio) where reception seems to fade to almost nothing, and a few blocks away its back to normal Also you might want to re-check your antenna, make sure its not broken or touching a ground I have an R3 and using a telescopic 'whip', can pick up stronger SW signals even inside. "Bob D." wrote in message m... I recently bought an Icom IC-R3 (hand held communications receiver) and a Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. How can these two new receivers be soooo bad????? I live within a mile of an AM broadcast station, could that be the problem? (It doesn't bother my old Kenwood though!) Is anyone successfully listening to shortwave stations with either of these radios? I'm was going to buy a new HF amateur rig, but now I'm scared that it might have poor reception at my location also. -- Bob D. ND9B |
Horrible, Horrible HF reception
"labtech_one" wrote in message ... Try 3.215 mhz ( WWCR ) "WWCR has four 100 Kw state-of-the-art transmitters which serve the world on 10 different broadcasting channels. Together our transmitters provide over 400 religious and talk programs direct from Nashville, Tennessee, USA, to a global audience." You 'should' be able to pick up this station on almost anything, if not, you may be in a 'dead spot' We've all noticed certain area's while in a car ( listening to a radio) where reception seems to fade to almost nothing, and a few blocks away its back to normal Also you might want to re-check your antenna, make sure its not broken or touching a ground I have an R3 and using a telescopic 'whip', can pick up stronger SW signals even inside. The R2 and the Yaesu version suffer greatly from overload and desense when used with a longwire. Like you, I've had pretty good luck with a collapsible whip (I used a 19" 2m quarter wave whip on mine with pretty good results.) |
Horrible, Horrible HF reception
On 16 abr, 04:27, "Bob D." wrote:
I recently bought an Icom IC-R3 (hand held communications receiver) and a Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. How can these two new receivers be soooo bad????? I live within a mile of an AM broadcast station, could that be the problem? (It doesn't bother my old Kenwood though!) Is anyone successfully listening to shortwave stations with either of these radios? I'm was going to buy a new HF amateur rig, but now I'm scared that it might have poor reception at my location also. -- Bob D. ND9B Hello Bob, This is a common problem with hand held wide band receivers. These receivers cannot handle large signals and picking out the small signal you want to hear. It is not Kenwood R5000, Drake or JRC. I have the same problem with an AOR8200 MKII. There are several solutions. When the interference comes from a single nearby transmitter, you may build a "notch filter" for that single frequency. Such a filter may consist of a series resonant circuit parallel to the antenna input. It is very likely that the overload is caused by many stations together. In that case you may build a tunable preselector (some inductors with an [old] plate variable capacitor). I have that in combination with my AOR8200. The result can be amazing (from hearing a station not all to clear reception after insertion of the preselector). The disadvantage is that you have to tune the preselector each time you change your frequency with more then some percent. For the time being, you may use the smallest possible antenna that still gives reasonable reception and you may use the attenuator function (if present). If you are not in electronics, try to get some help from a radio amateur. I use this type of preselector, the zig zag lines are non-coupled inductors with a tap on it, C = the tunable capacitor. View with fixed sized font setting (for example Courier). ---------------------- / | \ \ | / / | \ \ --- c / / --- \ \ | / inp----- | --------output / | \ \ | / gnd----------------------------------- gnd Best Regards Wim PA3DJS |
Horrible, Horrible HF reception
If you are not in electronics, try to get some help from a radio amateur. Best Regards Wim PA3DJS He is a radio amateur, and he even holds an Extra class license. |
Horrible, Horrible HF reception
On 16 abr, 14:40, dxAce wrote:
watchman wrote: If you are not in electronics, try to get some help from a radio amateur. Best Regards Wim PA3DJS He is a radio amateur, and he even holds an Extra class license. Do they have an Extra Class license in the Netherlands? Until some years ago, we had 4 licenses, ranging from A to D A: theory + 12Wpm morse code (R&W), access to all bands (call sign starting with PA) B: theory + 8Wpm morse code (R&W), access to most/all bands, however with limited power at HF (call sign starting with PB) C: theory, access to all bands above 30 MHz (call sign starting with PE). D: simple theory, access to some parts of 2m and 70 cm only (with reduced power, call sign starting with PD). Now, there are 2 licenses only: F, theory only, access to all bands with mostly 400 Wpep (120W at UHF/ SHF frequencies). There is no morse code requirement. N. Simple theory only, access to some parts of 40m, 20m, full 10m, full 2m and full 70 cm, all with max 25W PEP. For all licenses there are no restrictions in antenna gain, no strict separation in prefix. When you pass the test (theory only, no practice at all), after receiving you call, you have access to everything. There is no intermediate period or practical test as on some other countries. ¿What are the differences between the Regular Class en US Extra Class? Best Regards, Wim PA3DJS |
Horrible, Horrible HF reception
www.MFJEnterprises.com or www.ramseykits.com might have some kits
or already assembled products you can use for better radio reception.But you probally already know how to build your own anyway. Are there any other companies in America that sell radio kits and radio related kits? cuhulin |
Radio Kit Companies
wrote in message ... www.MFJEnterprises.com or www.ramseykits.com might have some kits or already assembled products you can use for better radio reception.But you probally already know how to build your own anyway. Are there any other companies in America that sell radio kits and radio related kits? cuhulin Kits A Bunch at URL: http://ac6v.com/kits.htm Keep that soldering iron tinned! Lamont |
Horrible, Horrible HF reception
I ordered me a new 2007 Ramsey Kits catalog.(I love gadget catalogs) I
hit the Submit button,it said,Thank You.Your Ramsey request has been received and is being processed.Now I am fixin to order me a new MFJ Enterprises catalog and look see around for some more freebie catalogs.In my old 2001 Ramsey Kits catalog,I saw a camera thingy I am interested in. cuhulin,the gadget catalogs dude |
Horrible, Horrible HF reception
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Horrible, Horrible HF reception
"Bob D." schreef in bericht m... I recently bought an Icom IC-R3 (hand held communications receiver) and a Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. All handheld "DC to daylight" recievers are useless for decent shortwave reception. If you expected them to do so, get rid of them or bring them back to the shop. MRe How can these two new receivers be soooo bad????? I live within a mile of an AM broadcast station, could that be the problem? (It doesn't bother my old Kenwood though!) Is anyone successfully listening to shortwave stations with either of these radios? I'm was going to buy a new HF amateur rig, but now I'm scared that it might have poor reception at my location also. |
Horrible, Horrible HF reception
"Wimpie" schreef in bericht oups.com... On 16 abr, 20:20, "MRe" wrote: "Bob D." schreef in berichtnews:P_OdnczbRdN9Q7_bnZ2dnUVZ_o6gnZ2d@insig htbb.com... I recently bought an Icom IC-R3 (hand held communications receiver) and a Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. All handheld "DC to daylight" recievers are useless for decent shortwave reception. If you expected them to do so, get rid of them or bring them back to the shop. MRe [rest removed] Hello MRe, Off course a good HF receiver cannot be compared with the HF section of a "DC to daylight" receiver, but when you use them with a nice preselector/attenuator combination, they can work reasonable. I forgot to mention the MVT7100. That one also works reasonable with my home- built preselector. I have 3 taps on each coil, so I can change the bandwidth of the preselector. Handheld recievers are meant to be used HANDHELD. They are not meant to be used with all kind of boxes like preselectors and filters and the like. What is the use of a handheld (shortwave) radio which can only be used with external boxes on shortwave? Better buy a decent one. Another reason for using the wide band receiver is the search function. My R5000 is not designed for scanning/searching. Scanning/searching on lw/mw/sw is not my kind of thing. You will miss a lot. Scanning with the before mentioned preselector is useless because most preselectors don't track with the reciever. Greetings MRe If you are planning to do LW listening, the performance of the AOR8200 is worse (as the manual suggested). The nice thing of the AOR8200 with respect to the MVT7100 is the 3 bandwidths you can select in the AOR8200. If you want to listen to SSB with a wide band portable receiver, the BW of the filter is far to high (there is mostly no separate BPF for SSB installed [the AM filter is used]). Wim PA3DJS |
Horrible, Horrible HF reception
On Apr 16, 4:03 pm, "MRe" wrote:
"Wimpie" schreef in ooglegroups.com... On 16 abr, 20:20, "MRe" wrote: "Bob D." schreef in berichtnews:P_OdnczbRdN9Q7_bnZ2dnUVZ_o6gnZ2d@insig htbb.com... I recently bought an Icom IC-R3 (hand held communications receiver) and a Yaesu VX-7R handy-talky (can tune .5 to 1000 Mhz). Both of these devices can't pick up a single shortwave signal. And this is on a long wire antenna, not the rubber duckies. (They both receive great on VHF/UHF. The IC-R3 even manages to pick up fringe TV channels.) The same antenna connected to my old Kenwood 599 receiver brings in plenty of HF signals, both shortwave broadcast and amateur. All handheld "DC to daylight" recievers are useless for decent shortwave reception. If you expected them to do so, get rid of them or bring them back to the shop. MRe [rest removed] Hello MRe, Off course a good HF receiver cannot be compared with the HF section of a "DC to daylight" receiver, but when you use them with a nice preselector/attenuator combination, they can work reasonable. I forgot to mention the MVT7100. That one also works reasonable with my home- built preselector. I have 3 taps on each coil, so I can change the bandwidth of the preselector. Handheld recievers are meant to be used HANDHELD. They are not meant to be used with all kind of boxes like preselectors and filters and the like. What is the use of a handheld (shortwave) radio which can only be used with external boxes on shortwave? Better buy a decent one. Another reason for using the wide band receiver is the search function. My R5000 is not designed for scanning/searching. Scanning/searching on lw/mw/sw is not my kind of thing. You will miss a lot. Scanning with the before mentioned preselector is useless because most preselectors don't track with the reciever. Greetings MRe If you are planning to do LW listening, the performance of the AOR8200 is worse (as the manual suggested). The nice thing of the AOR8200 with respect to the MVT7100 is the 3 bandwidths you can select in the AOR8200. If you want to listen to SSB with a wide band portable receiver, the BW of the filter is far to high (there is mostly no separate BPF for SSB installed [the AM filter is used]). Wim PA3DJS I have the Yaesu VX-7R hand held radio and it's great for the intended VHF/UHF bands. Mine does a decent job for general SW listening if you dont expect too much. With about a ten ft wire as an antenna it will receive most SW broadcasters. I enjoy listening to 75 meter AM stations from 3880 to 3890 Khz. |
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