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Comet CAA-500 MarkII w/Case: COMET CAA-500 MARKII 1.8-500MHz ANALYZER
This unit is in perfect condition functionally and cosmetically, there is no corrosion in the battery box. I purchased this new and it has served me well, no problems at all. Only reason for selling is I upgraded (hopefully it's an upgrade) to a Rig Expert. It comes with Box and all that came with it new (see photos) and also includes 6 new AA batteries, the heavy duty case that is extra $47.00 new. DX Engineering has this unit for $549.95 Plus the case and plus sales tax.
My price is $410.00 shipped Continental US. I can provide more pictures at your request.
I accept PayPal Goods and Services or your check and will ship after the check clears the bank.; Listing #1769798 - Submitted on 06/01/26 by Callsign WI4B - IP: 162.188.mcmsys.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Comet CAA-500 MarkII w/Case: COMET CAA-500 MARKII 1.8-500MHz ANALYZER
This unit is in perfect condition functionally and cosmetically, there is no corrosion in the battery box. I purchased this new and it has served me well, no problems at all. Only reason for selling is I upgraded (hopefully it's an upgrade) to a Rig Expert. It comes with Box and all that came with it new (see photos) and also includes 6 new AA batteries, the heavy duty case that is extra $47.00 new. DX Engineering has this unit for $549.95 Plus the case and plus sales tax.
My price is $410.00 shipped Continental US. I can provide more pictures at your request.
I accept PayPal Goods and Services or your check and will ship after the check clears the bank.; Listing #1769767 - Submitted on 06/01/26 by Callsign WI4B - IP: 162.188.mcmsys.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Comet CAA-500 MarkII w/Case: COMET CAA-500 MARKII 1.8-500MHz ANALYZER
This unit is in perfect condition functionally and cosmetically, there is no corrosion in the battery box. I purchased this new and it has served me well, no problems at all. Only reason for selling is I upgraded (hopefully it's an upgrade) to a Rig Expert. It comes with Box and all that came with it new (see photos) and also includes 6 new AA batteries, the heavy duty case that is extra $47.00 new. DX Engineering has this unit for $549.95 Plus the case and plus sales tax.
My price is $410.00 shipped Continental US. I can provide more pictures at your request.
I accept PayPal Goods and Services or your check and will ship after the check clears the bank.; Listing #1769755 - Submitted on 06/01/26 by Callsign WI4B - IP: 162.188.mcmsys.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
DC Milliamp Meter: 50 D.C. Milliamperes Meter
Made in USA by Readrite Meter Works
Bluffton Ohio
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Make Offer; Listing #1768473 - Submitted on 05/19/26 by Callsign W4JST, Modified on 06/01/26 - IP: 73.99.134.215; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
HP 500V DC Power Supply & Tube Voltmeter: Hewlett Packard Model 712B Power Supply
0-500 Volts DC
and
HP Model 410B Vacuum Tube Voltmeter
These will both rackmount
Made in the USA
Old, untested
Make Offer
Pickup in Virginia or inquire about shipping/delivery; Listing #1768474 - Submitted on 05/19/26 by Callsign W4JST, Modified on 06/01/26 - IP: 73.99.134.215; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
F/S LOW-POWER BIRD ELEMENTS: I have available FOR SALE, the following BIRD Low Power elements for use in the 43 wattmeter.
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Buy 2 -4 and get a 10% discount on the total cost of the individual items. Buy 5 or more and get a 15% discount on the total cost of the individual items.
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ALL PRICES INCLUDE SHIPPING IN THE US
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Under 1 watt elements
500mW 800-950 MHz
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1 WATT ELEMENTS - $30 each
30-35 MHz
35-40 MHz
40-50 MHz
60-80 MHz
80-95 MHz
95-125 MHz
105-120 MHz
110-160 MHz - $40
150-250 MHz - $40
200-300 MHz - $40
275-450 MHz - $40
425-850 MHz - $40
800-950 MHz - $40
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2.5 WATT ELEMENTS - $30 each
30-50 MHz
60-80 MHz
80-95 MHz
105-120 MHz
150-250 MHz - $40
200-300 MHz - $40
250-450 MHz - $40
400-850 MHz - $40
800-950 MHz - $40; Listing #1765131 - Submitted on 04/16/26 by Callsign K3DUA, Modified on 06/01/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
F/S BIRD ELEMENTS ABOVE 1 GHz: I have the following BIRD elements that are designed to work in a BIRD 43, for work above 1 GHz.
Prices include shipping in USA.
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FOR THE 2.3 GHZ BAND (all BIRD elements)
1M - - 1 watt, 2.2-2.3 GHz - $120
2.5M - - 2.5 watts, 2.2-2.3 GHz - $120
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The following elements may work, with reduced accuracy, on either the 1.2 or 2.3 GHz bands (all BIRD elements)
1L - - 1 watt, 1.7-2.2 GHz - $30
2.5L - - 2.5 watts, 1.7-2.2 GHz - $30
5L - - 5 watts, 1.7-2.2 GHz - $30
10L - - 10 watts, 1.7-2.2 GHz - $30
25L - - 25 watts, 1.7-2.2 GHz - $30
25L1 - - 25 watts, 1.7-1.99 GHz - $30
50L - - 50 watts, 1700-2200 MHz - $30; Listing #1768631 - Submitted on 05/20/26 by Callsign K3DUA, Modified on 06/01/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
BIRD WATTMETERS FOR SALE: I have many BIRD 43 wattmeters available for sale. ALL HAVE BEEN TESTED AND THEY ALL WORK CORRECTLY. Prices range from $150 to $220 depending on their physical condition + shipping. Some are in excellent condition, and most have a few paint chips. A few have been nicely repainted.
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Also available, RACK-MOUNTED wattmeters:
Single meter with a dual-element line section and a switch to read either FORWARD or REFLECTED.
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What connector do you want on the wattmeter? UHF(F), or N(M or F), or HN(M or F), or BNC(M or F), or C (M or F) - your choice.
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Tell me which wattmeter you want, and how "nice" you want it to be, and what connectors you want, and I will send you pictures of the wattmeter that I select for you, along with the total including shipping (please send me your ZIP code.)
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Also available the following options:
Leather cases for the 43
HF & VHF elements for the wattmeter; Listing #1768636 - Submitted on 05/20/26 by Callsign K3DUA, Modified on 06/01/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend
BIRD 4522 RACK-MOUNTED WATTMETER: I have available is a BIRD 4522 rack mounted wattmeter with a dual-element line section which means that with the flip of the switch, you can read either the forward or reflected power on the single meter movement. This is priced at $320 plus shipping.; Listing #1769737 - Submitted on 06/01/26 by Callsign K3DUA - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
F/S BIRD ELEMENTS FOR MODEL 43: I have the following used, and tested, BIRD (or Coaxial Dynamics equivalent) elements available:
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SHIPPING IN USA FOR ONE ELEMENT IS $8. ADD $1 FOR EACH ADDITIONAL ELEMENT.
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BUY 4 ELEMENTS, OR MORE, AND SHIPPING IS FREE.
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0.45-2.5 MHz
- 10000P - $135
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2-30 MHz
- 5000H - $175
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ALL VHF & UHF elements - - $45 each
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25-60 MHz
None at this time.
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50-125 MHz
- 5B, 10B, 25B, 50B, 100B, 2500B(PEAK), 10KB(PEAK)
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100-250 MHz
- 5C, 10C, 25C, 50C, 100C, 250C
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200-500 MHz
- 5D, 10D, 25D, 50D, 100D, 250D
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400-1000 MHz
- 5E, 10E, 25E, 50E, 100E, 250E; Listing #1769569 - Submitted on 05/30/26 by Callsign K3DUA, Modified on 06/01/26 - IP: pool-173-69-135-23.bltmmd.fios.verizon.net; Click to Contact -- Send this Ad to a Friend