My House View With Antennas

My House View With Antennas

Sunday 27 December 2009

Changes in Bulgarian Amateur Radio General Licence

Changes in Bulgarian Amateur Radio General Licence: "Changes in Bulgarian Amateur Radio General Licence PDF Print E-mail
Written by Marko Pernic
Sunday, 08 March 2009 20:39
(IARU-R1) September 2004

The Bulgarian regulatory body, Communications Regulation Commission, announced in the State Gazette No 75 on 27 August 2004 some changes in Bulgarian Amateur Radio General Licence. They became effective immediately.

The main points are:

* No more Morse code requirement.
* The number of classes of amateur licence has been decreased to two:
Class 2 (national class) - VHF only, Modes: AM, FM, SSB, Packet, power up to 5 W
* Class 1 (CEPT class) – All bands, All modes, power up to 350 W HF, 100 W VHF, 10 W UHF. Power up to 1000 W allowed only during HF contests, only to Radio Amateurs with at least 5 years experience

Last Updated on Thursday, 11 June 2009 11:38"

TX frequency coverage expansion for ICOM ICE92D

TX frequency coverage expansion for ICOM ICE92D Remove D4 as shown below:

Procedure:

# Turn off the unit, remove the battery or battery case and then remove the six screws on the back side of the transceiver
# Carefully separate the front and back halves of the housing (there are a cable harness and a flat cable connecting the two halves together inside. The visible circuit board in the keyboard/display half is the logic unit)
# Unlock the locking flap at the flat cable connector on the logic unit and gently pull out the flat cable (after this step the two halves can be turned down side by side and the logic unit is conveniently accessible)
# Locate diode D4 on the logic unit just below liner codec IC 503 and remove it by means of SMD unsoldering equipment or a suitable soldering iron (if no special SMD unsoldering equipment is available a soldering iron with a sharp screwdriver tip can be used. Do not use more than 25 W for the soldering iron and edge the tip sharp enough. Heat up the two solder points on one side of the diode simultaneously by touching them with the flat soldering iron tip (don't touch for more than 2 or 3 seconds) while pulling up the diode with a sharp pair of tweezers. The surface of the diode will melt and doesn't look very beautiful after the "surgery" but it will no longer be of any use...
# After removal of the diode check the logic unit carefully with a magnifying glass and remove any residuals with an appropriate sized and not to hard paint brush
# Reconnect the flat cable to the logic unit and rejoin the two housing halves paying attention to the correct fit of the Oring seal that is responsible for the waterproofness of the transceiver
# Reinsert and tighten the six screws removed in step 1 gently.
# Switch on the transceiver and check the TX frequency coverage. If necessary do a full reset.


just be carefull when removing the diode.

-----------------------------------------------------------------------------------------
Or you could do it this way all is at your own risk

Removing the tag / sticker to do the mod might give you two problms.
1. The hole in the chassis is very narrow and it is hard to get to the diode.
2. When the tag is removed it is hard to get it back in place as it where cause the plastics will get deformed while removal.

I work for an Icom dealer and have done tenfold of these modifications. What I find the quickest way is to unscrew the 6 screws in the back cover. Move the front slightly to the left to get to the diode.
This operation is usualy done in less than 10 minutes.
 


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