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View:  Topic list, Topic summary Topics 1 - 10 of 2185  Older »

replacement transistor for the C1765 
  Hi I need some help. I need to replace the C1765 in my preamp. What is a good replacement transistor for the C1765 transistor? I can't seem to find any spec on it. Thanks
By Barett  - Oct 30 - 3 new of 3 messages    

Hello are there anyone here that has knowledge of engineering pulsed high voltage electronics ? 
  Hello are there anyone here that has "inside knowledge" of how a DIESEL FUEL INJECTOR DRIVER BOARD for: Solenoid common rail injectors Piezo common rail injectors Pump injectors (Diesel) are engineered and wants to contribute to design a Diesel version of megasquirt ? ? The design requirements are:... more »
By none  - Oct 29 - 1 new of 1 message    

Hy-Gain TH3Jnr Traps 
  Hi, Does anyone have any of these off an old or crashed TH3JNR Or has anyone ever counted the turns on the coils in the traps I just need some info if you have De Johnny G3LIV
By Johnny Melvin  - Oct 21 - 1 new of 1 message    

MICHIGAN APPLES make (((YOU))) sexy!!!!!!! 
  dear friend, will not you pray for west michigan farmers that the wet weather end for a while so that the farmers can finish their end of season harvesting? WE DO KNOW THAT WHEN TWO OR MORE ARE GATHERED IN THE LORD JESUS CHRIST NAME AND ASK FOR ANYTHING IT WILL BE GRANTED! BELIEVE IT SO! FOR THOSE THAT LOVE THE... more »
By Kirk Gregory Czuhai  - Oct 10 - 1 new of 1 message    

Multiple Frequencies 
  I read somehwere that cell phones, or two way radio phones, use multiple radio frequencies simultaneously, that is how while talking on cell phones, we are able to talk and hear at the same time. There is one frequency for talking, one through which we receive the other's voice, and there are more for data transfer from the mtso. Is this... more »
By extremewanderer  - Oct 4 - 6 new of 6 messages    

Antenna advice? 
  Hi I have a 50 ft tower just ready to throw up something to operate. Cost is the problem but I have a lot of parts to build. I want to put up a dipole (I have a manual all band tuner) and my question is should feed it with ladder line or feed it with coax and then run each leg about 68 ft . Second idea is I have an old aluminum omni antenna that used to have 3 traps... more »
By Ron  - Sep 11 - 3 new of 3 messages    

MCS 2000 CPS 
  Hi, can anyone tell me where to get the newest CPS for the MCS2000, Thanks.
By Pyro"  - Sep 6 - 1 new of 1 message    

TANYA LOUISE BATES IS A CHILD ABUSER 
  Vayiftach HaShem et Peah Ha`Aton
By Antti J. Ylikoski  - Sep 4 - 2 new of 2 messages    

Need Island Contacts this weekend! 
  WC5C is activating a string of Texas Islands the next few weekends. We need contacts! [link] for more details. This Saturday we'll be 1st Time Activating Goat Island, and hopefully qualifying the Island during the 1st Activation. We'll dispatch a special... more »
By kb5ylg  - Aug 18 - 1 new of 1 message    

HELP WITH A KENWOOD TM-733A....... 
  This is a dual band VHF / UHF mobile radio. I can't find any service manuals for this radio anywhere online. . Can somebody please pinpoint where the VCO adjustment is on the UHF side. Symptom: towards the upper part of the UHF band it transmits full power then drops. On the lower part of the UHF band it transmits fine and does not drop.... more »
By Steve  - Aug 3 - 1 new of 1 message    

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