Onboard circuit changes or component additions can allow a radio receiver to perform additional functions.
Removing a resistor from a circuit can unblock cell phone frequencies, for monitoring use in some countries still using analogue cell phone communications.
Moving a resistor on a radio receiver onboard circuit, can change frequency bandwidth output of a radio receiver. Frequency display bandwidth is analysed using Software Defined Radio (SDR) as spectrum analysers connected to radio receivers.
Simple modifications can be completed by technically skilled persons that may not necessarily be radio engineers.
The mods dk web site is where you can learn about radio receiver modifications. There is a forum for discussion about matters of interest as well as radio receiver modifications document downloads, radio receiver manuals and picture downloads.
It's free to create an account with the mods dk web site. A user is also able to download one free radio receiver modification, every 24 hours or pay a small fee for access to all available radio receiver modification downloads.
The mods dk web site is an interesting resource where we have gained much knowledge to make low cost modifications to our high tech radio receiver equipment.
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PJL 26th July 2010
