Compiled by Keith Rowland [k4kgw@MINDSPRING.COM]
Thanks Keith!
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DX-60B Transmitter.
        1.      DX-60 Switch Replacement, Sep 87, p. 43
        2.      DX-60 Switch Update, Sep 88, 48

DX-100 Transmitter
        1.      Heath DX-100 Keying, Aug 77, 49
        2.      "Feedback" on DX-100 Keying, Sep 77, 51

HA-201 VHF Amplifier
        1.      HA-201 COR, Jul 78, 32
        2.      "Feedbacl" on HA-201 COR, Nov 78, 32

HA-201A 2-Meter Amplifier
Higher Power from the Heath 201A 2-Meter Amplifier, Jul 82, 37
HD-10 Keyer
        1.      HD-10 Speaker Change, Mar 72, 52
        2.      HD-10 Keyer Modification, Feb 74, 41
        3.      HD-10Positive KeyLine, Jul 78, 34
        4.      HD-10 Squeeze Paddle, Aug 78, 31

HD-1250 Dip Meter
        1,  HD-1250 Carrying Case, Oct 78, 37
        2.  Heath HD-1250 Dip Meter, Improving Response, May 79, 48

HD-1410 Keyer
        1.      Ideas for theHD-1410 and other Keyers, Nov 79, 57
        2.      External Paddles for the Heath HD-1410 Keyer, Oct 80, 25
        3.      Solid State Rigs and the Heath HD-1410 Keyer, Apr 83, 38

HG-10 VFO
HG-10 VFO Output, Jul 76, 42
HM-102 2-KW Wattmeter
        1.      Heath HM-102, Added Switch, Feb 77, 43
        2.      Heath HM-102, Extra Meters, May 78, 38

HM-2140 Dual HF Wattmeter (2-KW)
        Feb 80, 40



HM-2141 300-Watt VHF Wattmeter
        Sep 80, p.41

HP-23 Power Supply
        1.      Improved Ground Connection on the HP-23, May 74, 49
        2.      Heath HP-23, Low Low-Voltage, Oct 77, 46

HR-1680 5-Band SSB/CW Receiver
        1.      HR-1680 Receiver Modifications—Try Them!, Nov 82, 22
        2.      Using the Heath HR-1680 Receiver as a CW Monitor, Oct 88, 39

HW-7 QRP Transceiver (40-20-15 Meters)
        1.      Heath HW-7 Preselector Modification, May 73, 42
        2.      New Front End for Heath HW-7, Dec 73, 23
        3.      HW-7 QRP Transmitter Modifications, Jan 74, 35
        4.      RIT for the HW-7, Jul 75, 38
        5.      Slippers for the HW-7 and HW-8, Dec 75, 45
        6.      HW-7 Hum Reduction, Jul 76, 42
        7.      HW-7 Sidetone Level Control, Nov 76, 41

HW-8 QRP Transceiver (80-40-20-15 Meters)
        1.      Slippers for the HW-7 and HW-8 Transceivers, Dec 75, 45
        2.      Full Break-In and RIT for the HW-8 QRP Transceiver, Jul 77, 22
        3.      “Feedback” on the RIT article above, Nov 77, 20
        4.      Heath HW-8 Items, Mar 78, 36
        5.      HW-8 RIT, Jan 78, 40 and Dec 78, 38
        6.      Putting the Boots to Your HW-8 QRP Transceiver, Apr 79, 15
        7.      An S-Meter for the Heath HW-8, Nov 79, 57
        8.      HW-8 and the Accu-Keyer—A Good CW Team, May 81, 46
        9.      HW-8 Ideas, Jan 81, 45
        10.     30-Meter Conversion for the HW-8, May 84,44

HW-9 QRP Transceiver (80-40-20-15 Meters)
        1.      Improving the HW-9 Transceiver, Apr 88, 26
        2.      HW-9 Tips, Dec 88, 32
        3.      HW-9 Tips, Oct 88, 43

HW-12 80-Meter Transceiver
        Heath HW-12, QRP, Sep 77, 45

HW-15
        Modifying the HW-15from 15 to 20 Meters, Nov 75, 35
        HW-16 CW Transceiver (80-40-15 Meters)
        1.      Putting the HW-16 on 20 Meters, Aug 72, 51
        2.      Adapting VFOs for the HW-16, Nov 74, 20
        3.      Heath HW-16 Sidetone Level Adjust, May 77, 48
        4.      Help for the HW-16, Aug 79, 50

HW-22 40-Meter Transceiver
        Extended coverage for the HW-22, Oct 74, 39


HW-22A 40-Meter Transceiver
        Extending the HW-22A Frequency Coverage, Jun 71, 37

HW-100 80-10 Meter Transceiver
        1.      The HW-100 and ½, Nov 71, 20
        2.      Deactivated CW Operation with the HW-100, Jan 74, 47
        3.      HW-100/HW-101 Relay Holding, Apr 79, 44

HW-101 80-10 Meter Transceiver
        1.      Tone Oscillator Repair on the HW-101, Sep 72, 53
        2.      Heath HW-101, Better Looking Dial, Feb 77,43
        3.      HW-101, VOX Relay Response During CW Operation, Jan 77, 44
        4.      HW-101 Modification Update, Aug 75, 49
        5.      WWV on the Heath HW-101, Aug 77, 49
        6.      Feedback on WWV Modification, Sep 77, 51
        7.      Heath HW-101 CW, Mar 78, 41
        8.      HW-100/101 Relay Holding, Apr 79, 44
        9.      HW-101, Eliminating TVI< Aug79, 50
        10.     Modifying the Heath HW-101 for Zero-Beating, Feb 81, 47
        11.     Improved Carrier Suppression for the HW-101, Oct 82, 43
        12.     Reducing HW-101 Sidetone Volume, Jun 81, 36
        13.     HW-101 Oscillation Problem, Mar 83, 42
        14.     HW-101 Troubleshooting Chart, Feb 83, 54
        15.     Eliminating Dial-Drive Clutch Slippage in the HW-101, Mar 88, 41

HW-104 Solid-State Transceiver(80-10 Meters)
        1.      Heath HW-104/SB-104 RIT Modification, Jan 80, 54
        2.      Adding RIT tothe HW-104 or SB-104 Transceiver, Jan 80, 16 and
        Feedback, Mar 80, 49

HW-202 2-Meter Transceiver
        1.      HW-202 Owners, Beware!, Sep 75, 45
        2.      Protecting Transistors in the HW-202, Aug 75, 49
        3.      HW-202 Remote Control, Oct 76, 40
        4.      Tone Pad Connection for the HW-202, Jan 76, 43

HW-1982 Micoder
        New Battery Improves Micoder Quality, Apr 79, 44

HW-2036 2 Meter Transceiver
        1.      Two Changes, Heath HW-2036, Oct 77, 46
        2.      HW-2036 Channel Switch Visibility, Aug 78, 51

HW-5400 Solid State Transceiver With WARC Bands
        1.      Improving RIT and Split-Frequency Operation in the Heath HW-5400
                Transceiver, Sep 88, 42
        2.      HW-5400 SpeedyTune, Sep 88, 43

HX-1681 CW Transmitter
        1.      Mar 81, 48
        2.      Alignment, Dec 85, 50

IB-5281 RCLBridge
        1.      Chart for Heath IB-5281 RCL Bridge, Dec 80, 47
        2.      Dec 80, 47

IM-103
        Heath IM-103; Keeping RF Out, Jan 77, 44

IM-104
        Heath IM-104 Modification Prevents Pegging, Apr 77, 56
        IM-2215 Hand-Held Digital Multimeter
        Jun 80, 45

SA-1480 Remote Antenna Switch
        1.      Jul 80, 43
        2.      TVI From the Heath Remote Coaxial-Cable Switch, Sep 82, 42
        3.      Increased Control Voltage for the Heath Remote Antenna Switch, Jan 83, 46
        4.      Lubrication for the Heath Remote Coax Switch, Mar 83, 41

SA-5010 Micromatic Keyer
        1.      Heath SA-5010 Micromatic Keyer Modifications, Jul 82, 39
        2.      Heath SA-5010 Keyer Short, Jun 84, 41
        3.      Heath Micromatic Memory Keyer, Sep 89, 37

SA-7010 Tri-Band Yagi
        Aug 80, 45

SBA-101-1 Noise Blanker
        More About Adapting the HeathkitSBA-101-1 Noise Blanker, Apr 79, 47

SBA-104-1 Noise Blanker
        1.      Noise Blanker, Still More on the SBA-1004-1, Aug 77, 33
        2.      A New Look Noise Blanker That Works, Jan 77, 39 (Not sure if this is about the 104-1...I don’t have the actual issue this is in)
        3.      Updating the Noise Blanker, Aug 77, 33  (Also not sure if this is about the 104-1 for the same reason as above)

SB-100 HF Transceiver
        Audio Hum in the Heath SB-100, Jun 71, 40
        
SB-101 HF Transceiver
        1.      Oscar Reception With the SB-101, Feb 75, 46
        2.      SB-101 and a Separate Receiver, Jan 75, 44
        3.      Hint for the Heath SB-101 Owners, Sep 77, 44
        4.      Perking Up Sluggish SB-101, Feb 77, 44
        5.      Heath SB-101, Faster Relay Response, Feb 77, 43
        6.      Heath SB-101, Low Sensitivity and RF Drive, Dec 80,53


SB-102 HF Transceiver
        1.      VOX and ALC Problems with the SB-102, Aug 71, 43
        2.      Heath SB-102, Birdies, Jun 77, 47
        3.      Heath SB-102, Eliminating AC Buzz, Feb 77, 44

SB-104 Solid State HF Transceiver
        1.      Heath HW-104, SB-104 RIT Modifications, Jan 80, 54
        2.      Heath SB-104 Talk-Back Solution, Dec 80, 53
        3.      Adding RIT to the HW-104 and the SB-104 Transceivers, Jan 80, 16, and “Feedback,” Mar 80, 49
        3.      Refining the SB-104, Mar 82, 20 and “Feedback,” May 82, 43

SB-104A HF Transceiver
        Improving the SB-104A/SB-644A, Aug 79, 28 and “Feedback,” Sep 79,23.  
        Also Hints & Kinks, May 80, 41

SB-200 Linear Amplifier
        1.      Instant Break-In for the Heath SB-200, Mar 81, 52
        2.      An Improved Circuit for Connecting the SB-200 Amplifier and
        Solid-State Transceivers, May 89, 48

SB-220 Linear Amplifier
        1.      SB-220 on 6 Meters, Dec 74, 47
        2.      SB-220 Modifications, Nov 78, 40
        3.      On Upgrading Your SB-220 Linear Amplifier, Nov 79, 56.  Also:
        “Feedback,” Apr 79, 27, and “For the SB-220,” Jul 79, 50
        4.      Comments on Heath SB-220 Modification, Feb 80, 44
        5.      All Solid-State QSK for the Heath SB-220, Jan 80, 25
        6.      No Holes Standby Switch Modification for the Heath SB-220/SB-221
                Amplifier, Sep 88, 45
        7.      Using the Heath SB-220 Amplifier with Solid-State Transceivers, Jan
                88, 45
        8.      Improving the SB-220 Amplifier, Feb 89, 42
        9.      Circuit Improvements for the Heath SB-220 Amplifier, Part 1, Nov 90,
                25.  Paret 2:  Dec 90, 41

SB-230 Linear Amplifier (80 thru 10 meters)
        1.      Tuning Aid and Protection Circuits for the Heath SB-230, Jan 80, 51
        2.      TVI and the Heath SB-230, Dec 85, 50

SB-300 80-10 Meter Receiver
        Improving Frequency Stability for the Heath SB-300, Nov 75, 37

SB-301 80-10 Meter Receiver
        1.      Instant Frequency Change; Transceiving with the SB-301 and SB-401,
                Jan 70, 28
        2.      CW Sidetone for the SB-301, SB-303 and SB-401, Jul 79, 49

SB-303 80-10 Meter Solid State Receiver
        1.      Improving CW Reception on the SB-303, Jul 72, 21
        2.      The Heath SB-303 and CW Reception, May 73, 39
        3.      CW Sidetone for the SB-301, SB-303 and SB-301, Jul 79, 49
        4.      A Noise Blanker for the Heath SB-303 Receiver, Sep 79, 45

SB-401 80-10 Meter Transmitter
        1.      Instant Frequency Changing Transceiving with the SB-301 and SB-401,
                Jan 70, 28
        2.      Easy VOX Adjustment for the SB-401, Dec 71, 40
        3.      Heath SB-401, Relay Hang-Up, Dec 77, 45
        4.      CW Sidetone for the SB-301, SB-303 and SB-401, Jul 79, 49

SB-610 Monitor Scope
        Reducing Baseline Ripple in theSB-610 Monitor Scope, Dec 72, 46
        
SB-614 Monitor Scope
        Extend the Versatility of Your Heath SB-614 Monitor Scope, Jan 82,
        36

SB-630 Station Concole
        Heath SB-630 Digital Clock Modification, Dec 76, 42

SB-650 Frequency Display
        1.      Using the Heath SB-650 with other than Heath Transceivers, Jan 73,
                52
        2.      Using the Heath SB-650 Frequency Display with the Yaesu FT-101, Mar
                77, 24
        3.      Heath SB-650 with Allied AX-190, Sep 78, 37

SB-1000 Linear Amp
        1.      SB-1000 Comments, Jul 88, 47
        2.      Step-Start for the Heath SB-1000 Linear Amplifier, Jun 96, 69

VF-1 VFO
        New Life for the Heath VF-1, VFO, Dec 72, 18


1.      Cantenna Oil, Aug 70, p. 53
2.      Fuse Protection for the Heath Line-Voltage Monitor, Nov 73, 51
3.      117-230-volt Selector Switch for Heathkit Power Supplies, Mar 73, 57
4.      The Heath Digital Multimeter Handle, Tech Correspondence, Mar 73, 47
5.      Adapting VFOs for the HW-16, Nov 74, 20
6.      Heath VFO Dial Slippage, Sep 76, 39
7.      PEP Wattmeter-a la Heath, Dec 76, 32
8.      Heath Micoder, Jan 78, 39
9.      Heath SB-series, Better S/N and Gain, Jun 78, 44, and Feedback, Oct 78, 14
10.     Adapting the Heath Noise Blanker to Older 75S-series Receivers, Dec 79, 57
11.     Zero Dial Mod for the Heath SB-series, Feb 80, 44
12.     Fading Audio from the Heath Micoder II, Spr 82, 53
13.     Using the Heath 1410 Keyer with the Ten-Tec Argosy, Jul 82, 38