Wade:
Seems like Ned aptly covered you if an external ant is involved. As well , inductive or foil capacitive tab coupling of the RF signal thru the window glass could also be utilized IF this window is one that doesn’t open or there is a masonry wall that one would have to drill for wire passage. Also, naturally, none of that being practical, if you’re up over 1+ story due to external accessibility to the outside of that sealed window.
Since you have tried the receiver against that station side wall with its whip, you are already up at a 1 story +? height advantage over the auto. The auto receiver typically would have an advantage in its front end electronics due to the more challenging reception conditions a mobile unit would tend to encounter. What you might try to do at that site is take the receiver out in the open, or an open balcony? (if any tenant has such) or from the rooftop. This being basically to see if this particular units front end will pull in reception from this location on that/other desired station(s). Now if the buildings skin is metal, you know that you are knocked by shielding right there. Move on to brick, no/or minor RF shielding there, wood frame construction… even better. Stucco construction…..reception negated by the sheets of metal lath used underneath in bonding. Lastly there’s usually one factor always overlooked , namely , the widespread use of alum foil faced batting insulation as well as on the foam and polyiso family insul sheeting .This really started strong after the ’72 energy crunch time frame and on construction upgrades after that. So, the latter factor then seriously degrades rabbit ear TV or whip FM radio reception, now even in a brick or wood framed edifice….also even portable 900meg and 2.1 gig phone units with their low/short whip antennas when trying to reach outward from the bldg.
With any/all of those unsuspected variables potentially working against you, and you knowing by an adjacent site evaluation that reception is possible, the crudest , yet simplest might be to extend a length of insul hookup wire to the window…considering that exit from the window/frame/wall might be made thru a 1/16 in hole and dangle down
about 60 in for mid-band FM with the inside end connecting to the whip ant. If that is inadequate the next upgrade would be to a common folded dipole ant made with 300 ohm twinlead that typically comes with component system receivers or from Rad Shack off the peg board. That would be taped hoz inside the window frame , getting a shot centered thru a shutter slot, with the dipole ends folded down vertically if this is not a wiiiide window. Terminate the out[put end into a 300-75 balun, as mentioned before . Its center pin would be the sig in to the whip and the balun shell gnd would be wired to a chassis gnd of the rec ; typically a wire to the batt packs neg terminal would be the same.<p> 73's de Edd
[email protected] ........(Interstellar~~~~Warp~~~Speed)
[email protected]........(Firewalled-Spam*Cookies*Crumbs)