222MHz

Monday, October 23, 2023

222MHz

23 October 2023 - Worked Bob K8TQK this morning on 222.100 SSB - he was 5x2 on the 303 mile path.

8 July 2023 - The 220 preamp has been in place a while. Noticing a difference with it in place.

28 March 2023 - Ordered a 220MHz SHF Electronix MVV 220-VOX preamplifier from The DX Shop. Also ordered a BIAS-T from Amazon.

16 February 2023 - Worked Bob K8TQK in Ohio at 303 miles - he gave me a 4x2 and I gave him a 5x3 with Q5 copy.

3 October 2022 - Added a Mirage C1012 AMP for 222.

7 September 2022 - FIXED - the part arrived along with two extras I ordered - see replacement installed below.

5 September 2022 - I accidentally transmitted 100w into my transverter so after looking at the schematic and believing it was the 50 ohm 30w resistor, I consulted with Q5 support (Corey) and he said that's most likely it. The 50-ohm 30w TO-220 style load resistor would be the top left blank area (device already removed) near the TX-IF adjustment (picture below). Second picture below is the device itself after it was removed. I have three on order from Mouser which should arrive Thursday.

Mouser Part No: 684-MP930-50

MFG Part No: MP930-50.0-1%

Caddock 50 ohm 30W 1% TO-220

2 August 2022 - The 222 new antenna is up (bottom antenna) - 432 antenna on top. I see a nice improvement on reception of the beacon - will try it out with the 222 SSB crowd tomorrow morning.

1 August 2022 - Put the 222-10EZ antenna together yesterday and thought the RG-6 balun was missing - a call to HRO Atlanta and they checked another one they had in stock - it was in the boom. Removed a few elements to retrieve it and now it's ready to go up on the mast once I receive the 15' LMR-400UF jumper I ordered to extend the existing coax out to the end of the new antenna. Should be a nice improvement over my 4-element yagi.

28 July 2022 - The new 10 element 222MHz M2 antenna arrived - I should be able to get it up on the mast this weekend and the 4-element will become my rover 222 antenna.