Re: [Elecraft] Furnace RF Noise

2016-02-29 Thread Chuck Catledge
Corcom metal can filter and install it with the furnace. I soldered the metal can of the filter to the inside of the metal furnace housing. Jim W6AIM -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Chuck Catledge Sent: Sunday, February 28

Re: [Elecraft] Furnace RF Noise

2016-02-28 Thread Chuck Catledge
John, beware of any furnaces (or ACs) with variable speed motors. Some are RF quiet; some are not. There are three potential sources of RF leakage I have personally experienced: 1) Variable speed inducer motor - this is a small motor used on higher efficiency furnaces to provide draft air to t

Re: [Elecraft] Balun Questions

2016-02-07 Thread Chuck Catledge
chokes I have made using small cable (i.e. RG400 through RG6) use radii of 1-3 inches with the RG6 tending toward 3” and greater due to the foam dielectric. --- Chuck, AE4CW From: Mel Farrer [mailto:farrerfo...@yahoo.com] Sent: Sunday, February 07, 2016 17:54 To: Chuck Catledge ; 'Guy Ol

Re: [Elecraft] Balun Questions

2016-02-07 Thread Chuck Catledge
At hamfests around the Southeast, surplus RG400 is often found in terminated cables (usually BNC or N) in lengths up to around 20 feet. The price I've paid is always less than $1.00 per foot, sometimes much less. I've used it to make dozens of RF chokes (1:1 baluns). The small size of RG400 a

Re: [Elecraft] K3EXREF Ext. Frequency Reference Input

2015-12-21 Thread Chuck Catledge
If you prefer a US source of a GPSDO, you might look at this one. I have a friend who uses this one and prefers it over the Trimble based units. http://www.force12inc.com/products/gps-locked-precision-frequency-reference-low-jitter-gps-clock-450-hz-to-800-mhz-output.html --- Chuck, AE4CW -Ori

[Elecraft] K3: Firmware Utility Errors

2007-11-27 Thread Chuck Catledge
Joe, in previous communications with Elecraft support on documentation errors, they asked that I post any future error discoveries on the general reflector as well as copy the documentation team leader. So, I presumed a similar approach would be appropriate here as there are a growing number of rea

[Elecraft] K3: Firmware Utility Errors

2007-11-27 Thread Chuck Catledge
I've been exercising the firmware utility (currently 1.0.11.21) for familiarity while awaiting my shipment and have been receiving error messages for the last three days when attempting to check for new firmware versions. The verbose activity log looks like this: 15:07:26 Opening connection to f

[Elecraft] K3 Toroids: Shipping Protection

2007-11-20 Thread Chuck Catledge
Wayne, have you considered providing better shipping protection to prevent the toroid bending/squishing that some have reported? >Please DO NOT adjust the turns on any of the toroids in the K3 to make >them "look nicer" :) -- Chuck, AE4CW ___ Elec

[Elecraft] K3 Programmer's Reference Link

2007-11-09 Thread Chuck Catledge
FYI to the K3 documentation team, the link to Rev A-2, 11/07/2007 of the K3 Programmer's Reference manual results in: "The webpage cannot be found". -- Chuck - AE4CW ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to

[Elecraft] K3: Reference Error in KXV3 Manual

2007-10-29 Thread Chuck Catledge
Page 12 of this manual contains the following in two places near the bottom of the page: "Error! Reference source not found" I believe the reference should be to Figure 4 on page 9. -- Chuck Catledge - AE4CW ___ Elecraft mailing li

[Elecraft] K3: Front/Bottom accessory connector usage?

2007-10-15 Thread Chuck Catledge
Can anyone explain the usage of the accessory connector described on owner's manual page 13? "FP ACC This connector (RJ-45, 6 pins) is located on the bottom of the transceiver, near the VFO B knob. It is used with accessory devices." -- Chuck - AE4CW _

[Elecraft] Instant K3

2007-08-29 Thread Chuck Catledge
make that old frog turn into a prince faster than you think! http://s236.photobucket.com/albums/ff151/catnip911/?action=view¤t=K3_f ullsize_v2.jpg -- Chuck Catledge ___ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber