WINDOWS 7 and N1MM

Serious troubles running N1MM on my Lenovo W510 W7-pro.
At first glance after install it looked fine but then when trying to log an exceptional good 50MHz opening to midwest USA at 20 June, the input fields where wiped out as quick as I entered them... I saw the frequency display running wild at the N1MM input form. I was running 400W trying to get the attention of a W6 I heard at 50105 in contact with south -EU !! but he tuned away.... :-((( W6 never seem to run CQ?  Is it forbidden by Arnold Schwarzenegger because of the bad economic situation??
I thought it was RFI on the CAT prolific USB-serial to the Lenovo but same problem happend again in receive only at 10116kHz . The frequency display and the N1MM tuning ruler was just wild displaying anything but the right QRG... So now I am back to the old trusty P3 with W2000 I could not use Virtual XP either because it would'nt recognise the USB-serial.

It seems to be a driver issue with the Prolific.
I thought to have the latest Prolific driver
But found a newer and I am testing it now it works good fttb.
The problem seems to be a buffer issue with MScom32.ocx and this Prolific is what Tom Wagner N1MM told . That could fit because the problem did not start right away but after some time.

the new    PL2303 Driver Installer v1.3.0

the little older driver
Changes from Installer v1.2.10:
Driver Changes -
- No driver change

I am new to blogger   I use http://www.pa0o.web-log.nl/ and before wordpress This blog has a spellcheck but for Dutch only

Comments

JE1SGH said…

I am experiencing the same problem. The version is 12.05.00. The problem has not been fixed for two years.

JE1SGH Ichiro

May 5, 2012 at 3:34 PM

SPF5189z Low noise preamp 23cm

14-4-2018 updated

Above the low noise preamp 50 - 4GHz ebay 6€

Tested 2 small porto antennas
1 Baofeng UV antenna left 2nd best signal on PI2NOS
2 eBay DIAMONDSRH805S wide band 144/432/1200 it works for its size as expected
3 piece of wire : best signal in the setup...

Unit under test at workbench.
It was stable 50mA at 5V few days, but sudden the current went up to 100mA
And i could no longer adjust it with the negative bias Voltage.
The - Voltage went to zero and the SPF input port became low Z.
This SPF5189z was broken no oscillations, no input overload just it broke while i was receiving the PI2NOS 430.125 using a small antenna at the workbench.

The specs of SPF5189z say it has an internal circuit regulating the bias current.
Replaced . again with an other of the 5 spare SPF i have.
The new one again could be adjusted at 50mA 5V
The current raises to 150mA when removing the negative gate voltage.
Where is that internal bias circuit ?
I suspect eBay …

2011-01-22 DIAMOND X30 2m 70cm 1m30 Colinear inside

Having relative poor signals on the local 70cm / 2m channels using this Diamond collinear 70/2 combi antenna at a height of 25m. I needed to investigate what could be wrong.
Measuring the cable only 3W is left for the antenna of the 10W 435MHz output from a IC451E
The cable is 30m type H100 Z50 10mm outside diameter it is semi air-spaced but has an impossible 4mm² solid CU inner conductor not much air left. I preferred the H43 Z75 cable having lower loss and mechanical better ratio in conductor size but it is no longer selling i think. This H43
3W should be enough for a comfortable noise free FM signal. But only 27km away at PA0A the signal is weak too weak something must be wrong? I made a simple reference dipole of 2x17cm CU wire.
With this dipole the signals where totally worse. So the Diamond does work?
I got curious to look inside. Maybe moisture penetration degraded the antenna.
This antenna is rainwater close in its normal vertical mounting position. But take care if your mast can b…

Nice opening10m and 12m to S.A.

SFI low 70 a 16 K3 still 10m opened up in afternoon to N-Italy EA5 F JN33
F/PD0OHW/M in JN33 decoded 150mW

VP8LP 12m 2-way with GP 7m ag swr 1:3

60m 5,362 open to ZL every? morning

PA0O ham radio

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