[Elecraft] KPA500 Failure

-- An update on my KPA500 failure -- I extracted the amplifier/LPF assembly from the case and examined the two units: - Power FETs and all components *appear* to be OK - *LPF Module Rev D* bd appears to be what failed. The SM component positioned between C97, C110 and C111 *MAY* be C96 - hard

[Elecraft] KPA-500 Failure

Hello Rick (NK7I) and Andy (K3WYC) - Tnx replies "Message: 17 Date: Wed, 24 Apr 2024 14:11:28 + From: Andy Durbin To: "elecraft@mailman.qth.net" Subject: [Elecraft] KPA-500 Failure Message-ID: < dm4pr10mb6791e0db00b79830385f5cd28c...@dm4pr10mb6791.namprd10.prod.outlook.com > Conten

[Elecraft] KPA-500 Failure

Greeting to everyone I have read the KPA500 operator manual in hopes of solving my issue and have found nothing that solves/fixes the problem. This amplifier has been a workhorse for many years and today after the KAT500 antenna tuner searched/found a 'match' for a new antenna, I selected OPER on

[Elecraft] KPA-500 Line-Voltage Issues

Greetings everyone I hesitate to use my KPA-500 here at this CN98pi QTH. LIne frequency here varies daily between 58.xx-to-61.yy Hz and line voltages vary between 110-to-130VAC due to the limitations of the governor controlling the communities 200KW hydro system (Chelan County PUD remote facility)

[Elecraft] Feeding a Half-Wave Dipole Topic

Greetings All Check out this antenna suggested by K2KQ ===> *https://www.yccc.org/Articles/double_l.htm * I fabricated two of these antennas - a 160/80 and 40/30 meter combos. I use spreaders spaced every five feet to prevent wire twisting issues. I c

[Elecraft] (no subject)

Greetings All Thank you to everyone who has responded to my initial question regarding the subject listed above. I now have LOTS of tracks to follow to achieve my goal of remote-ing my station at the Summer QTH for winter operation from the snowbird QTH. I have the KPA/KTA-500's controlled by

[Elecraft] Interconnecting KPA500 to KTA500 and ANAN7000dle

Greetings to everyone I am just getting started interconnecting my Apache-Labs ANAN-7000dle to a KPA500, KTA500 and my DELL E6510 laptop for a base-station I can operate remotely from another QTH. Before I order several from Elecraft, does anyone have E850463 Aux Interface cables that are surplus

[Elecraft] When Will the KPA/KTA-500 I Have On-Order Ship ?

Has anyone received anything from Elecraft lately ? I have been waiting for the units I ordered many weeks ago to arrive. The extra 7dB or so of output power will be appreciated ! 73 to all - Dick/w7wkr __ Elecraft mailing list Home: htt

[Elecraft] Controlling KPA500/KTA500 Remotely

I'm still waiting for my KPA500 and KTA-500 order to be shipped and am wondering IF it is possible to remotely turn ON/OFF a KPA-500 from my computer running PowerSDR OpenHPSDR_mRX_PS v3.4.7 software ? (APACHE-LABS ANAN-7000dle SDR in another building connected thru Ethernet cable to my operating l