03-09-2014, 09:26 AM
Greg, It still seems you have a problem with the oscillator coil. The only way that you can receive a 6 Mhz signal is if your oscillator (or one of its harmonics) is running 260 kHz lower or higher than than the received SW signal.
I would take out the coil and re-examine it. Perhaps you mixed up the terminals of the winding or wound in the wrong direction. It has to rewound exactly as per the original or it won't work.
Nothing else you mentioned can cause you to receive SW. By removing the 44 and connecting the antenna to the 36 grid cap you are bypassing both the ant and RF coils so these are not the problem.
The 89 uses the same osc freq for both the broadcast and police bands. That's why your reception does not change when switched. The difference is that the ant and RF coils are tuned to the police band freqs and the second harmonic of the osc is used for conversion. The osc always runs at the same freq for both bands and is not switched in any way.
I would take out the coil and re-examine it. Perhaps you mixed up the terminals of the winding or wound in the wrong direction. It has to rewound exactly as per the original or it won't work.
Nothing else you mentioned can cause you to receive SW. By removing the 44 and connecting the antenna to the 36 grid cap you are bypassing both the ant and RF coils so these are not the problem.
The 89 uses the same osc freq for both the broadcast and police bands. That's why your reception does not change when switched. The difference is that the ant and RF coils are tuned to the police band freqs and the second harmonic of the osc is used for conversion. The osc always runs at the same freq for both bands and is not switched in any way.
