[ICOM] Fw: 756PRO Bleed thru

[John Merrill]

I had a Pro2 and MkV Field side by side about 3 miles from a 50 kw AM 
station on 1520 khz .  The  Pro2 was seriously impaired on 160 and 80 
and even heard some garbage on 40  but  didn't hear a whisper in the 
Field.


On Jul 5, 2004, at 11:47 PM, George, W5YR wrote:

> The 756PRO2 and 746PRO both have a markedly better front end. I can 
> work
> within a few kHz or so of my max-power contester neighbor a mile away.
>
> On the PRO, use as much attenuation as you can to minimize front-end
> overload.
>
> And your ham neighbor may not have a clean narrow signal  . . .
>
> 73, George W5YR
> Fairview, TX
> w5yr at att.net
> http://www.w5yr.com
>
>
> ----- Original Message -----
> From: "José Félix Ballester" <josefeli at caribe.net>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Sent: Monday, July 05, 2004 10:11 PM
> Subject: Re: [ICOM] Fw: 756PRO Bleed thru
>
>
>> Hi Philip,
>>
>> I own an Icom 756 Pro and have the same problem with a nearby AM
>> station.   This was mostly resolved wit an ICE BCB filter purchased
>> through www. arraysolutions.com.   However when my ham neighbor goes 
>> on
>> the air, I can't use the radio.
>> I believe this is a major fault on an otherwise good radio.   I am
>> surprised that such an expensive radio suffers from this serious
>> limitation.   This is Icom 756 Pro's  Achiles Heel, a serious one to
>> boot, and heck, why did I have to buy a BCB filter to make this radio
>> usable?
>>
>> Sorry Icom, my USA made tube radios 45 years ago may have not have IF
>> DSP and a nice colorful display but they didn't suffer from this very
>> serious limitation.    Am  sorry to have gotten rid of them.
>>
>> Have read that the Ten-Tec Orion may be better in this regard.
>>
>> The ICE broadcast filter may help but it doesen't help with my 
>> neighbor.
>>
>> If anyone on this reflector can offer any suggestions, they shall be
>> appreciated.
>>
>> 73 to all, Pepe
>>
>> WP3HW
>> On Jul 5, 2004, at 3:00 PM, Radio Dude wrote:
>>
>>>>> Yes, I have a 5000 watt AM station about a mile from here at 630 
>>>>> KHz.
>>>>> However, they back down to 500w at night. I am not aware of any 
>>>>> other
>>>>> beacons here for aviation that may cause problems.
>>>>>
>>>>> This issue has me really bummed out. I love this rig, but being an
>>>> engineer,
>>>>> I don't understand how ICOM allowed this rig to hit the streets 
>>>>> with
>>> this
>>>>> problem not resolved.
>>>>>
>>>>> Some of you have mentioned an LF series trap. I'd be very 
>>>>> interested
>>>>> in
>>>> any
>>>>> designs you could refer me too. I'd appreciate it. Is there really
>>>>> any
>>> way
>>>>> to determine mathematically if the the 630 KHZ AM station is the
>>>>> issue
>>>>> before I start building gadgets?
>>>>>
>>>>> BTW, I have the rig hooked up to an AH4 tuner with 130 foot of 
>>>>> wire.
>>>>> I
>>>> think
>>>>> I will try the tribander dipole next on those bands and see if its
>>>> mediated.
>>>>>
>>>>> Thanks
>>>>>
>>>>> PHILIP
>>>>> KA4KOE
>>>>>
>>>>
>>>
>>> ----
>>> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>>> Icom FAQ: http://www.qsl.net/icom/
>>>
>>
>> ----
>> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
>> Icom Users Net: Sundays, 1700Z, 14.316 MHz
>> Icom FAQ: http://www.qsl.net/icom/
>
> ----
> Your Moderator: Dick Flanagan K7VC, icom-owner at mailman.qth.net
> Icom Users Net: Sundays, 1700Z, 14.316 MHz
> Icom FAQ: http://www.qsl.net/icom/
>