Robert, Thank you. I missed your email until Dwayne mentioned it to me. Have printed it and will check it out. Mark N5PRD
> On Apr 1, 2020, at 12:04 PM, Robert Polinski via BVARC <[email protected]> > wrote: > > Below are the most common reasons radios do not work or work poorly. > > 1. Antenna problems, shorted antenna, open antenna or mismatch (high > SWR) > To check for a shorted antenna. Take your antenna > off (mobile) and check the coax for short with a ohm meter. Should show > open. > Reattach antenna, check again. Do note, some base > loaded antennas will show shorted when measured. Base loaded antennas will > have > a base coil. If you have one of these, replace it > with a 1/4 wave ant and measure again. To check for an open antenna, put one > test lead > on the center of the coax and the other on the ant. > This may require to extend one of the test leads. It should show short. To > test for mismatch > you need a Bird or SWR meter, put it inline with the > antenna, check return power should be low. > 2. Not enough power to radio. Connect a volt meter at the terminals or > power lead to the radio. Transmit at hi power. Voltage should not drop more > than .5 to .7 volts. > If much more the power wires are too small or there > is a bad connection to the battery or power supply > 3. Not on frequency or not the correct tone for the repeater. Some > radios will allow you to set the freq off by .5 Example 146.945. You will > still bring up the machine but have a poor > Signal. The tone needs to be set correctly for the > repeater you are using. Some repeater do not transmit the tone (the 146.940 > does ) if it does not do not activate the > Decode on the receiver. > > -----Original Message----- > From: BVARC <[email protected]> On Behalf Of Robert Polinski via BVARC > Sent: Wednesday, April 01, 2020 11:30 AM > To: 'BRAZOS VALLEY AMATEUR RADIO CLUB' <[email protected]> > Cc: Robert Polinski <[email protected]> > Subject: Re: [BVARC] Looking for a 2-meter > > If you cannot hit the 146.94 with 50w from Missouri City, you have a radio > or antenna problem with your mobile rig. Robert > > -----Original Message----- > From: BVARC <[email protected]> On Behalf Of Mark Brantana via BVARC > Sent: Wednesday, April 01, 2020 11:17 AM > To: BRAZOS VALLEY AMATEUR RADIO CLUB <[email protected]> > Cc: Mark Brantana <[email protected]> > Subject: [BVARC] Looking for a 2-meter > > I have been testing out my equipment against the emergency nets, and find my > reach to be pretty weak from the house (50 W from the Car); Missouri City. > Could not even touch the 146.940 ARES SW repeater or the Red Cross. I want > to be able to confidently reach the local emergency repeaters. > > To get out better, I am considering adding a Firestik antenna above my TV > antenna (yes, we are cheap) for the house. This is going to involve about 75 > ft of coax unfortunately. These I have found, but I am open to any > thoughts. > > Mainly, I am looking for a used 2-m station, and was wondering if anyone has > one they might want to part with. > > I may be open to a used (HOA discreet) antenna too. > > Thanks in advance for any assistance. > > Mark > N5PRD > > > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org ________________________________________________ Brazos Valley Amateur Radio Club BVARC mailing list [email protected] http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
